72638558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 117936000

約数和(自身を除く): 45297442

約数列:

[1, 2, 19, 38, 59, 118, 179, 181, 358, 362, 1121, 2242, 3401, 3439, 6802, 6878, 10561, 10679, 21122, 21358, 32399, 64798, 200659, 202901, 401318, 405802, 615581, 1231162, 1911541, 3823082, 36319279, 72638558]

約数ペア:

[(1, 72638558), (2, 36319279), (19, 3823082), (38, 1911541), (59, 1231162), (118, 615581), (179, 405802), (181, 401318), (358, 202901), (362, 200659), (1121, 64798), (2242, 32399), (3401, 21358), (3439, 21122), (6802, 10679), (6878, 10561)]