91215890

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 166973184

約数和(自身を除く): 75757294

約数列:

[1, 2, 5, 10, 97, 194, 271, 347, 485, 542, 694, 970, 1355, 1735, 2710, 3470, 26287, 33659, 52574, 67318, 94037, 131435, 168295, 188074, 262870, 336590, 470185, 940370, 9121589, 18243178, 45607945, 91215890]

約数ペア:

[(1, 91215890), (2, 45607945), (5, 18243178), (10, 9121589), (97, 940370), (194, 470185), (271, 336590), (347, 262870), (485, 188074), (542, 168295), (694, 131435), (970, 94037), (1355, 67318), (1735, 52574), (2710, 33659), (3470, 26287)]