749777408

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:633

約数の個数: 80

約数和(自身を含む): 1565566464

約数和(自身を除く): 815789056

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 124, 128, 194, 248, 256, 388, 487, 496, 512, 776, 974, 992, 1552, 1948, 1984, 3007, 3104, 3896, 3968, 6014, 6208, 7792, 7936, 12028, 12416, 15097, 15584, 15872, 24056, 24832, 30194, 31168, 47239, 48112, 49664, 60388, 62336, 94478, 96224, 120776, 124672, 188956, 192448, 241552, 249344, 377912, 384896, 483104, 755824, 769792, 966208, 1464409, 1511648, 1539584, 1932416, 2928818, 3023296, 3864832, 5857636, 6046592, 7729664, 11715272, 12093184, 23430544, 24186368, 46861088, 93722176, 187444352, 374888704, 749777408]

約数ペア:

[(1, 749777408), (2, 374888704), (4, 187444352), (8, 93722176), (16, 46861088), (31, 24186368), (32, 23430544), (62, 12093184), (64, 11715272), (97, 7729664), (124, 6046592), (128, 5857636), (194, 3864832), (248, 3023296), (256, 2928818), (388, 1932416), (487, 1539584), (496, 1511648), (512, 1464409), (776, 966208), (974, 769792), (992, 755824), (1552, 483104), (1948, 384896), (1984, 377912), (3007, 249344), (3104, 241552), (3896, 192448), (3968, 188956), (6014, 124672), (6208, 120776), (7792, 96224), (7936, 94478), (12028, 62336), (12416, 60388), (15097, 49664), (15584, 48112), (15872, 47239), (24056, 31168), (24832, 30194)]