397491185

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3373}}^1$

素因数の和:3442

約数の個数: 48

約数和(自身を含む): 613879056

約数和(自身を除く): 216387871

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 245, 259, 455, 481, 637, 1295, 1813, 2405, 3185, 3367, 3373, 9065, 16835, 16865, 23569, 23611, 43849, 117845, 118055, 124801, 165277, 219245, 306943, 624005, 826385, 873607, 1534715, 1622413, 2148601, 4368035, 6115249, 8112065, 10743005, 11356891, 30576245, 56784455, 79498237, 397491185]

約数ペア:

[(1, 397491185), (5, 79498237), (7, 56784455), (13, 30576245), (35, 11356891), (37, 10743005), (49, 8112065), (65, 6115249), (91, 4368035), (185, 2148601), (245, 1622413), (259, 1534715), (455, 873607), (481, 826385), (637, 624005), (1295, 306943), (1813, 219245), (2405, 165277), (3185, 124801), (3367, 118055), (3373, 117845), (9065, 43849), (16835, 23611), (16865, 23569)]