216266401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 259918848

約数和(自身を除く): 43652447

約数列:

[1, 13, 17, 23, 157, 221, 271, 299, 391, 2041, 2669, 3523, 3611, 4607, 5083, 6233, 34697, 42547, 46943, 59891, 61387, 81029, 105961, 553111, 723299, 798031, 978581, 1377493, 9402887, 12721553, 16635877, 216266401]

約数ペア:

[(1, 216266401), (13, 16635877), (17, 12721553), (23, 9402887), (157, 1377493), (221, 978581), (271, 798031), (299, 723299), (391, 553111), (2041, 105961), (2669, 81029), (3523, 61387), (3611, 59891), (4607, 46943), (5083, 42547), (6233, 34697)]