155906972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 311771712

約数和(自身を除く): 155864740

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 244, 299, 598, 793, 1196, 1403, 1586, 2137, 2806, 3172, 4274, 5612, 8548, 18239, 27781, 36478, 49151, 55562, 72956, 98302, 111124, 130357, 196604, 260714, 521428, 638963, 1277926, 1694641, 2555852, 2998211, 3389282, 5996422, 6778564, 11992844, 38976743, 77953486, 155906972]

約数ペア:

[(1, 155906972), (2, 77953486), (4, 38976743), (13, 11992844), (23, 6778564), (26, 5996422), (46, 3389282), (52, 2998211), (61, 2555852), (92, 1694641), (122, 1277926), (244, 638963), (299, 521428), (598, 260714), (793, 196604), (1196, 130357), (1403, 111124), (1586, 98302), (2137, 72956), (2806, 55562), (3172, 49151), (4274, 36478), (5612, 27781), (8548, 18239)]