25111984

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 50675328

約数和(自身を除く): 25563344

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 257, 394, 496, 514, 788, 1028, 1576, 2056, 3152, 4112, 6107, 7967, 12214, 15934, 24428, 31868, 48856, 50629, 63736, 97712, 101258, 127472, 202516, 405032, 810064, 1569499, 3138998, 6277996, 12555992, 25111984]

約数ペア:

[(1, 25111984), (2, 12555992), (4, 6277996), (8, 3138998), (16, 1569499), (31, 810064), (62, 405032), (124, 202516), (197, 127472), (248, 101258), (257, 97712), (394, 63736), (496, 50629), (514, 48856), (788, 31868), (1028, 24428), (1576, 15934), (2056, 12214), (3152, 7967), (4112, 6107)]