215777788

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{2971}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 384790784

約数和(自身を除く): 169012996

約数列:

[1, 2, 4, 67, 134, 268, 271, 542, 1084, 2971, 5942, 11884, 18157, 36314, 72628, 199057, 398114, 796228, 805141, 1610282, 3220564, 53944447, 107888894, 215777788]

約数ペア:

[(1, 215777788), (2, 107888894), (4, 53944447), (67, 3220564), (134, 1610282), (268, 805141), (271, 796228), (542, 398114), (1084, 199057), (2971, 72628), (5942, 36314), (11884, 18157)]