257104692

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{20347}}^1$

素因数の和:20379

約数の個数: 72

約数和(自身を含む): 725853856

約数和(自身を除く): 468749164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 20347, 40694, 61041, 81388, 122082, 183123, 244164, 264511, 366246, 529022, 549369, 732492, 793533, 1058044, 1098738, 1587066, 1648107, 2197476, 2380599, 3174132, 3296214, 4761198, 4944321, 6592428, 7141797, 9522396, 9888642, 14283594, 19777284, 21425391, 28567188, 42850782, 64276173, 85701564, 128552346, 257104692]

約数ペア:

[(1, 257104692), (2, 128552346), (3, 85701564), (4, 64276173), (6, 42850782), (9, 28567188), (12, 21425391), (13, 19777284), (18, 14283594), (26, 9888642), (27, 9522396), (36, 7141797), (39, 6592428), (52, 4944321), (54, 4761198), (78, 3296214), (81, 3174132), (108, 2380599), (117, 2197476), (156, 1648107), (162, 1587066), (234, 1098738), (243, 1058044), (324, 793533), (351, 732492), (468, 549369), (486, 529022), (702, 366246), (972, 264511), (1053, 244164), (1404, 183123), (2106, 122082), (3159, 81388), (4212, 61041), (6318, 40694), (12636, 20347)]