311915552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 144

約数和(自身を含む): 731227392

約数和(自身を除く): 419311840

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 67, 76, 104, 124, 134, 152, 208, 247, 248, 268, 304, 361, 403, 416, 494, 496, 536, 589, 608, 722, 806, 871, 988, 992, 1072, 1178, 1273, 1444, 1612, 1742, 1976, 2077, 2144, 2356, 2546, 2888, 3224, 3484, 3952, 4154, 4693, 4712, 5092, 5776, 6448, 6968, 7657, 7904, 8308, 9386, 9424, 10184, 11191, 11552, 12896, 13936, 15314, 16549, 16616, 18772, 18848, 20368, 22382, 24187, 27001, 27872, 30628, 33098, 33232, 37544, 39463, 40736, 44764, 48374, 54002, 61256, 66196, 66464, 75088, 78926, 89528, 96748, 108004, 122512, 132392, 145483, 150176, 157852, 179056, 193496, 216008, 245024, 264784, 290966, 314431, 315704, 358112, 386992, 432016, 513019, 529568, 581932, 628862, 631408, 749797, 773984, 864032, 1026038, 1163864, 1257724, 1262816, 1499594, 2052076, 2327728, 2515448, 2999188, 4104152, 4655456, 5030896, 5998376, 8208304, 9747361, 10061792, 11996752, 16416608, 19494722, 23993504, 38989444, 77978888, 155957776, 311915552]

約数ペア:

[(1, 311915552), (2, 155957776), (4, 77978888), (8, 38989444), (13, 23993504), (16, 19494722), (19, 16416608), (26, 11996752), (31, 10061792), (32, 9747361), (38, 8208304), (52, 5998376), (62, 5030896), (67, 4655456), (76, 4104152), (104, 2999188), (124, 2515448), (134, 2327728), (152, 2052076), (208, 1499594), (247, 1262816), (248, 1257724), (268, 1163864), (304, 1026038), (361, 864032), (403, 773984), (416, 749797), (494, 631408), (496, 628862), (536, 581932), (589, 529568), (608, 513019), (722, 432016), (806, 386992), (871, 358112), (988, 315704), (992, 314431), (1072, 290966), (1178, 264784), (1273, 245024), (1444, 216008), (1612, 193496), (1742, 179056), (1976, 157852), (2077, 150176), (2144, 145483), (2356, 132392), (2546, 122512), (2888, 108004), (3224, 96748), (3484, 89528), (3952, 78926), (4154, 75088), (4693, 66464), (4712, 66196), (5092, 61256), (5776, 54002), (6448, 48374), (6968, 44764), (7657, 40736), (7904, 39463), (8308, 37544), (9386, 33232), (9424, 33098), (10184, 30628), (11191, 27872), (11552, 27001), (12896, 24187), (13936, 22382), (15314, 20368), (16549, 18848), (16616, 18772)]