249987968

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{251}}^2$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 516144480

約数和(自身を除く): 266156512

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 251, 496, 502, 992, 1004, 1984, 2008, 3968, 4016, 7781, 8032, 15562, 16064, 31124, 32128, 62248, 63001, 124496, 126002, 248992, 252004, 497984, 504008, 995968, 1008016, 1953031, 2016032, 3906062, 4032064, 7812124, 8064128, 15624248, 31248496, 62496992, 124993984, 249987968]

約数ペア:

[(1, 249987968), (2, 124993984), (4, 62496992), (8, 31248496), (16, 15624248), (31, 8064128), (32, 7812124), (62, 4032064), (64, 3906062), (124, 2016032), (128, 1953031), (248, 1008016), (251, 995968), (496, 504008), (502, 497984), (992, 252004), (1004, 248992), (1984, 126002), (2008, 124496), (3968, 63001), (4016, 62248), (7781, 32128), (8032, 31124), (15562, 16064)]