31338190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 65028096

約数和(自身を除く): 33689906

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 47, 65, 94, 115, 130, 223, 230, 235, 299, 446, 470, 598, 611, 1081, 1115, 1222, 1495, 2162, 2230, 2899, 2990, 3055, 5129, 5405, 5798, 6110, 10258, 10481, 10810, 14053, 14495, 20962, 25645, 28106, 28990, 51290, 52405, 66677, 70265, 104810, 133354, 136253, 140530, 241063, 272506, 333385, 482126, 666770, 681265, 1205315, 1362530, 2410630, 3133819, 6267638, 15669095, 31338190]

約数ペア:

[(1, 31338190), (2, 15669095), (5, 6267638), (10, 3133819), (13, 2410630), (23, 1362530), (26, 1205315), (46, 681265), (47, 666770), (65, 482126), (94, 333385), (115, 272506), (130, 241063), (223, 140530), (230, 136253), (235, 133354), (299, 104810), (446, 70265), (470, 66677), (598, 52405), (611, 51290), (1081, 28990), (1115, 28106), (1222, 25645), (1495, 20962), (2162, 14495), (2230, 14053), (2899, 10810), (2990, 10481), (3055, 10258), (5129, 6110), (5405, 5798)]