78127998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 176332800

約数和(自身を除く): 98204802

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 79, 93, 158, 186, 237, 403, 409, 474, 806, 818, 1027, 1209, 1227, 2054, 2418, 2449, 2454, 3081, 4898, 5317, 6162, 7347, 10634, 12679, 14694, 15951, 25358, 31837, 31902, 32311, 38037, 63674, 64622, 76074, 95511, 96933, 164827, 191022, 193866, 329654, 420043, 494481, 840086, 988962, 1001641, 1260129, 2003282, 2520258, 3004923, 6009846, 13021333, 26042666, 39063999, 78127998]

約数ペア:

[(1, 78127998), (2, 39063999), (3, 26042666), (6, 13021333), (13, 6009846), (26, 3004923), (31, 2520258), (39, 2003282), (62, 1260129), (78, 1001641), (79, 988962), (93, 840086), (158, 494481), (186, 420043), (237, 329654), (403, 193866), (409, 191022), (474, 164827), (806, 96933), (818, 95511), (1027, 76074), (1209, 64622), (1227, 63674), (2054, 38037), (2418, 32311), (2449, 31902), (2454, 31837), (3081, 25358), (4898, 15951), (5317, 14694), (6162, 12679), (7347, 10634)]