331839872

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 128

約数和(自身を含む): 840806400

約数和(自身を除く): 508966528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 919, 992, 1456, 1612, 1664, 1736, 1838, 1984, 2821, 2912, 3224, 3472, 3676, 3968, 5642, 5824, 6433, 6448, 6944, 7352, 11284, 11648, 11947, 12866, 12896, 13888, 14704, 22568, 23894, 25732, 25792, 27776, 28489, 29408, 45136, 47788, 51464, 51584, 56978, 58816, 83629, 90272, 95576, 102928, 113956, 117632, 167258, 180544, 191152, 199423, 205856, 227912, 334516, 361088, 370357, 382304, 398846, 411712, 455824, 669032, 740714, 764608, 797692, 823424, 911648, 1338064, 1481428, 1529216, 1595384, 1823296, 2592499, 2676128, 2962856, 3190768, 3646592, 5184998, 5352256, 5925712, 6381536, 10369996, 10704512, 11851424, 12763072, 20739992, 23702848, 25526144, 41479984, 47405696, 82959968, 165919936, 331839872]

約数ペア:

[(1, 331839872), (2, 165919936), (4, 82959968), (7, 47405696), (8, 41479984), (13, 25526144), (14, 23702848), (16, 20739992), (26, 12763072), (28, 11851424), (31, 10704512), (32, 10369996), (52, 6381536), (56, 5925712), (62, 5352256), (64, 5184998), (91, 3646592), (104, 3190768), (112, 2962856), (124, 2676128), (128, 2592499), (182, 1823296), (208, 1595384), (217, 1529216), (224, 1481428), (248, 1338064), (364, 911648), (403, 823424), (416, 797692), (434, 764608), (448, 740714), (496, 669032), (728, 455824), (806, 411712), (832, 398846), (868, 382304), (896, 370357), (919, 361088), (992, 334516), (1456, 227912), (1612, 205856), (1664, 199423), (1736, 191152), (1838, 180544), (1984, 167258), (2821, 117632), (2912, 113956), (3224, 102928), (3472, 95576), (3676, 90272), (3968, 83629), (5642, 58816), (5824, 56978), (6433, 51584), (6448, 51464), (6944, 47788), (7352, 45136), (11284, 29408), (11648, 28489), (11947, 27776), (12866, 25792), (12896, 25732), (13888, 23894), (14704, 22568)]