31621984

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 65028096

約数和(自身を除く): 33406112

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 248, 251, 254, 496, 502, 508, 992, 1004, 1016, 2008, 2032, 3937, 4016, 4064, 7781, 7874, 8032, 15562, 15748, 31124, 31496, 31877, 62248, 62992, 63754, 124496, 125984, 127508, 248992, 255016, 510032, 988187, 1020064, 1976374, 3952748, 7905496, 15810992, 31621984]

約数ペア:

[(1, 31621984), (2, 15810992), (4, 7905496), (8, 3952748), (16, 1976374), (31, 1020064), (32, 988187), (62, 510032), (124, 255016), (127, 248992), (248, 127508), (251, 125984), (254, 124496), (496, 63754), (502, 62992), (508, 62248), (992, 31877), (1004, 31496), (1016, 31124), (2008, 15748), (2032, 15562), (3937, 8032), (4016, 7874), (4064, 7781)]