131287356

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 349999104

約数和(自身を除く): 218711748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 93, 94, 124, 141, 186, 188, 279, 282, 372, 423, 558, 564, 846, 1116, 1457, 1692, 2503, 2914, 4371, 5006, 5828, 7509, 8742, 10012, 13113, 15018, 17484, 22527, 26226, 30036, 45054, 52452, 77593, 90108, 117641, 155186, 232779, 235282, 310372, 352923, 465558, 470564, 698337, 705846, 931116, 1058769, 1396674, 1411692, 2117538, 2793348, 3646871, 4235076, 7293742, 10940613, 14587484, 21881226, 32821839, 43762452, 65643678, 131287356]

約数ペア:

[(1, 131287356), (2, 65643678), (3, 43762452), (4, 32821839), (6, 21881226), (9, 14587484), (12, 10940613), (18, 7293742), (31, 4235076), (36, 3646871), (47, 2793348), (62, 2117538), (93, 1411692), (94, 1396674), (124, 1058769), (141, 931116), (186, 705846), (188, 698337), (279, 470564), (282, 465558), (372, 352923), (423, 310372), (558, 235282), (564, 232779), (846, 155186), (1116, 117641), (1457, 90108), (1692, 77593), (2503, 52452), (2914, 45054), (4371, 30036), (5006, 26226), (5828, 22527), (7509, 17484), (8742, 15018), (10012, 13113)]