31066490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4911

約数の個数: 48

約数和(自身を含む): 70067592

約数和(自身を除く): 39001102

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 4877, 6370, 9754, 24385, 34139, 48770, 63401, 68278, 126802, 170695, 238973, 317005, 341390, 443807, 477946, 634010, 887614, 1194865, 2219035, 2389730, 3106649, 4438070, 6213298, 15533245, 31066490]

約数ペア:

[(1, 31066490), (2, 15533245), (5, 6213298), (7, 4438070), (10, 3106649), (13, 2389730), (14, 2219035), (26, 1194865), (35, 887614), (49, 634010), (65, 477946), (70, 443807), (91, 341390), (98, 317005), (130, 238973), (182, 170695), (245, 126802), (455, 68278), (490, 63401), (637, 48770), (910, 34139), (1274, 24385), (3185, 9754), (4877, 6370)]