81838388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{4049}}^1$

素因数の和:4247

約数の個数: 24

約数和(自身を含む): 148780800

約数和(自身を除く): 66942412

約数列:

[1, 2, 4, 31, 62, 124, 163, 326, 652, 4049, 5053, 8098, 10106, 16196, 20212, 125519, 251038, 502076, 659987, 1319974, 2639948, 20459597, 40919194, 81838388]

約数ペア:

[(1, 81838388), (2, 40919194), (4, 20459597), (31, 2639948), (62, 1319974), (124, 659987), (163, 502076), (326, 251038), (652, 125519), (4049, 20212), (5053, 16196), (8098, 10106)]