131489384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8053}}^1$

素因数の和:8229

約数の個数: 32

約数和(自身を含む): 267231720

約数和(自身を除く): 135742336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8053, 8164, 16106, 16328, 32212, 64424, 104689, 209378, 418756, 837512, 1264321, 2528642, 5057284, 10114568, 16436173, 32872346, 65744692, 131489384]

約数ペア:

[(1, 131489384), (2, 65744692), (4, 32872346), (8, 16436173), (13, 10114568), (26, 5057284), (52, 2528642), (104, 1264321), (157, 837512), (314, 418756), (628, 209378), (1256, 104689), (2041, 64424), (4082, 32212), (8053, 16328), (8164, 16106)]