161888246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 299920320

約数和(自身を除く): 138032074

約数列:

[1, 2, 13, 17, 19, 26, 34, 37, 38, 74, 221, 247, 323, 442, 481, 494, 521, 629, 646, 703, 962, 1042, 1258, 1406, 4199, 6773, 8177, 8398, 8857, 9139, 9899, 11951, 13546, 16354, 17714, 18278, 19277, 19798, 23902, 38554, 115141, 128687, 155363, 168283, 230282, 250601, 257374, 310726, 327709, 336566, 366263, 501202, 655418, 732526, 2187679, 4260217, 4375358, 4761419, 6226471, 8520434, 9522838, 12452942, 80944123, 161888246]

約数ペア:

[(1, 161888246), (2, 80944123), (13, 12452942), (17, 9522838), (19, 8520434), (26, 6226471), (34, 4761419), (37, 4375358), (38, 4260217), (74, 2187679), (221, 732526), (247, 655418), (323, 501202), (442, 366263), (481, 336566), (494, 327709), (521, 310726), (629, 257374), (646, 250601), (703, 230282), (962, 168283), (1042, 155363), (1258, 128687), (1406, 115141), (4199, 38554), (6773, 23902), (8177, 19798), (8398, 19277), (8857, 18278), (9139, 17714), (9899, 16354), (11951, 13546)]