408464753408

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2557}}^1\times {\mathrm{20129}}^1$

素因数の和:22733

約数の個数: 72

約数和(自身を含む): 842006014080

約数和(自身を除く): 433541260672

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2557, 3968, 5114, 7936, 10228, 20129, 20456, 40258, 40912, 79267, 80516, 81824, 158534, 161032, 163648, 317068, 322064, 327296, 623999, 634136, 644128, 654592, 1247998, 1268272, 1288256, 2495996, 2536544, 2576512, 4991992, 5073088, 5153024, 9983984, 10146176, 19967968, 20292352, 39935936, 51469853, 79871872, 102939706, 159743744, 205879412, 411758824, 823517648, 1595565443, 1647035296, 3191130886, 3294070592, 6382261772, 6588141184, 12764523544, 13176282368, 25529047088, 51058094176, 102116188352, 204232376704, 408464753408]

約数ペア:

[(1, 408464753408), (2, 204232376704), (4, 102116188352), (8, 51058094176), (16, 25529047088), (31, 13176282368), (32, 12764523544), (62, 6588141184), (64, 6382261772), (124, 3294070592), (128, 3191130886), (248, 1647035296), (256, 1595565443), (496, 823517648), (992, 411758824), (1984, 205879412), (2557, 159743744), (3968, 102939706), (5114, 79871872), (7936, 51469853), (10228, 39935936), (20129, 20292352), (20456, 19967968), (40258, 10146176), (40912, 9983984), (79267, 5153024), (80516, 5073088), (81824, 4991992), (158534, 2576512), (161032, 2536544), (163648, 2495996), (317068, 1288256), (322064, 1268272), (327296, 1247998), (623999, 654592), (634136, 644128)]