251523584

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 593961984

約数和(自身を除く): 342438400

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 53, 62, 64, 92, 104, 106, 124, 128, 184, 208, 212, 248, 256, 299, 368, 403, 416, 424, 496, 512, 598, 689, 713, 736, 806, 832, 848, 992, 1196, 1219, 1378, 1426, 1472, 1612, 1643, 1664, 1696, 1984, 2392, 2438, 2756, 2852, 2944, 3224, 3286, 3328, 3392, 3968, 4784, 4876, 5512, 5704, 5888, 6448, 6572, 6656, 6784, 7936, 9269, 9568, 9752, 11024, 11408, 11776, 12896, 13144, 13568, 15847, 15872, 18538, 19136, 19504, 21359, 22048, 22816, 25792, 26288, 27136, 31694, 37076, 37789, 38272, 39008, 42718, 44096, 45632, 51584, 52576, 63388, 74152, 75578, 76544, 78016, 85436, 88192, 91264, 103168, 105152, 126776, 148304, 151156, 153088, 156032, 170872, 176384, 182528, 206336, 210304, 253552, 296608, 302312, 312064, 341744, 352768, 365056, 420608, 491257, 507104, 593216, 604624, 624128, 683488, 841216, 982514, 1014208, 1186432, 1209248, 1366976, 1965028, 2028416, 2372864, 2418496, 2733952, 3930056, 4056832, 4745728, 4836992, 5467904, 7860112, 8113664, 9673984, 10935808, 15720224, 19347968, 31440448, 62880896, 125761792, 251523584]

約数ペア:

[(1, 251523584), (2, 125761792), (4, 62880896), (8, 31440448), (13, 19347968), (16, 15720224), (23, 10935808), (26, 9673984), (31, 8113664), (32, 7860112), (46, 5467904), (52, 4836992), (53, 4745728), (62, 4056832), (64, 3930056), (92, 2733952), (104, 2418496), (106, 2372864), (124, 2028416), (128, 1965028), (184, 1366976), (208, 1209248), (212, 1186432), (248, 1014208), (256, 982514), (299, 841216), (368, 683488), (403, 624128), (416, 604624), (424, 593216), (496, 507104), (512, 491257), (598, 420608), (689, 365056), (713, 352768), (736, 341744), (806, 312064), (832, 302312), (848, 296608), (992, 253552), (1196, 210304), (1219, 206336), (1378, 182528), (1426, 176384), (1472, 170872), (1612, 156032), (1643, 153088), (1664, 151156), (1696, 148304), (1984, 126776), (2392, 105152), (2438, 103168), (2756, 91264), (2852, 88192), (2944, 85436), (3224, 78016), (3286, 76544), (3328, 75578), (3392, 74152), (3968, 63388), (4784, 52576), (4876, 51584), (5512, 45632), (5704, 44096), (5888, 42718), (6448, 39008), (6572, 38272), (6656, 37789), (6784, 37076), (7936, 31694), (9269, 27136), (9568, 26288), (9752, 25792), (11024, 22816), (11408, 22048), (11776, 21359), (12896, 19504), (13144, 19136), (13568, 18538), (15847, 15872)]