127439728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2441}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 267076656

約数和(自身を除く): 139636928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 251, 502, 1004, 2008, 2441, 3263, 4016, 4882, 6526, 9764, 13052, 19528, 26104, 31733, 39056, 52208, 63466, 126932, 253864, 507728, 612691, 1225382, 2450764, 4901528, 7964983, 9803056, 15929966, 31859932, 63719864, 127439728]

約数ペア:

[(1, 127439728), (2, 63719864), (4, 31859932), (8, 15929966), (13, 9803056), (16, 7964983), (26, 4901528), (52, 2450764), (104, 1225382), (208, 612691), (251, 507728), (502, 253864), (1004, 126932), (2008, 63466), (2441, 52208), (3263, 39056), (4016, 31733), (4882, 26104), (6526, 19528), (9764, 13052)]