258292992

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 748267520

約数和(自身を除く): 489974528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 372, 384, 456, 496, 571, 589, 608, 744, 768, 912, 992, 1142, 1178, 1216, 1488, 1713, 1767, 1824, 1984, 2284, 2356, 2432, 2976, 3426, 3534, 3648, 3968, 4568, 4712, 4864, 5952, 6852, 7068, 7296, 7936, 9136, 9424, 10849, 11904, 13704, 14136, 14592, 17701, 18272, 18848, 21698, 23808, 27408, 28272, 32547, 35402, 36544, 37696, 43396, 53103, 54816, 56544, 65094, 70804, 73088, 75392, 86792, 106206, 109632, 113088, 130188, 141608, 146176, 150784, 173584, 212412, 219264, 226176, 260376, 283216, 336319, 347168, 424824, 438528, 452352, 520752, 566432, 672638, 694336, 849648, 1008957, 1041504, 1132864, 1345276, 1388672, 1699296, 2017914, 2083008, 2265728, 2690552, 2777344, 3398592, 4035828, 4166016, 4531456, 5381104, 6797184, 8071656, 8332032, 10762208, 13594368, 16143312, 21524416, 32286624, 43048832, 64573248, 86097664, 129146496, 258292992]

約数ペア:

[(1, 258292992), (2, 129146496), (3, 86097664), (4, 64573248), (6, 43048832), (8, 32286624), (12, 21524416), (16, 16143312), (19, 13594368), (24, 10762208), (31, 8332032), (32, 8071656), (38, 6797184), (48, 5381104), (57, 4531456), (62, 4166016), (64, 4035828), (76, 3398592), (93, 2777344), (96, 2690552), (114, 2265728), (124, 2083008), (128, 2017914), (152, 1699296), (186, 1388672), (192, 1345276), (228, 1132864), (248, 1041504), (256, 1008957), (304, 849648), (372, 694336), (384, 672638), (456, 566432), (496, 520752), (571, 452352), (589, 438528), (608, 424824), (744, 347168), (768, 336319), (912, 283216), (992, 260376), (1142, 226176), (1178, 219264), (1216, 212412), (1488, 173584), (1713, 150784), (1767, 146176), (1824, 141608), (1984, 130188), (2284, 113088), (2356, 109632), (2432, 106206), (2976, 86792), (3426, 75392), (3534, 73088), (3648, 70804), (3968, 65094), (4568, 56544), (4712, 54816), (4864, 53103), (5952, 43396), (6852, 37696), (7068, 36544), (7296, 35402), (7936, 32547), (9136, 28272), (9424, 27408), (10849, 23808), (11904, 21698), (13704, 18848), (14136, 18272), (14592, 17701)]