71640688

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9547}}^1$

素因数の和:9629

約数の個数: 40

約数和(自身を含む): 161017472

約数和(自身を除く): 89376784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 9547, 19094, 38188, 66829, 76376, 133658, 152752, 267316, 534632, 639649, 1069264, 1279298, 2558596, 4477543, 5117192, 8955086, 10234384, 17910172, 35820344, 71640688]

約数ペア:

[(1, 71640688), (2, 35820344), (4, 17910172), (7, 10234384), (8, 8955086), (14, 5117192), (16, 4477543), (28, 2558596), (56, 1279298), (67, 1069264), (112, 639649), (134, 534632), (268, 267316), (469, 152752), (536, 133658), (938, 76376), (1072, 66829), (1876, 38188), (3752, 19094), (7504, 9547)]