71531954

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 125699040

約数和(自身を除く): 54167086

約数列:

[1, 2, 13, 17, 26, 34, 59, 118, 169, 211, 221, 338, 422, 442, 767, 1003, 1534, 2006, 2743, 2873, 3587, 5486, 5746, 7174, 9971, 12449, 13039, 19942, 24898, 26078, 35659, 46631, 71318, 93262, 161837, 169507, 211633, 323674, 339014, 423266, 606203, 1212406, 2103881, 2751229, 4207762, 5502458, 35765977, 71531954]

約数ペア:

[(1, 71531954), (2, 35765977), (13, 5502458), (17, 4207762), (26, 2751229), (34, 2103881), (59, 1212406), (118, 606203), (169, 423266), (211, 339014), (221, 323674), (338, 211633), (422, 169507), (442, 161837), (767, 93262), (1003, 71318), (1534, 46631), (2006, 35659), (2743, 26078), (2873, 24898), (3587, 19942), (5486, 13039), (5746, 12449), (7174, 9971)]