81736398

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 189296640

約数和(自身を除く): 107560242

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 157, 186, 279, 311, 314, 471, 558, 622, 837, 933, 942, 1413, 1674, 1866, 2799, 2826, 4239, 4867, 5598, 8397, 8478, 9641, 9734, 14601, 16794, 19282, 28923, 29202, 43803, 48827, 57846, 86769, 87606, 97654, 131409, 146481, 173538, 260307, 262818, 292962, 439443, 520614, 878886, 1318329, 1513637, 2636658, 3027274, 4540911, 9081822, 13622733, 27245466, 40868199, 81736398]

約数ペア:

[(1, 81736398), (2, 40868199), (3, 27245466), (6, 13622733), (9, 9081822), (18, 4540911), (27, 3027274), (31, 2636658), (54, 1513637), (62, 1318329), (93, 878886), (157, 520614), (186, 439443), (279, 292962), (311, 262818), (314, 260307), (471, 173538), (558, 146481), (622, 131409), (837, 97654), (933, 87606), (942, 86769), (1413, 57846), (1674, 48827), (1866, 43803), (2799, 29202), (2826, 28923), (4239, 19282), (4867, 16794), (5598, 14601), (8397, 9734), (8478, 9641)]