217393428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{6653}}^1$

素因数の和:7056

約数の個数: 48

約数和(自身を含む): 581293440

約数和(自身を除く): 363900012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 778, 1167, 1556, 2334, 2723, 4668, 5446, 6653, 8169, 10892, 13306, 16338, 19959, 26612, 32676, 39918, 46571, 79836, 93142, 139713, 186284, 279426, 558852, 2588017, 5176034, 7764051, 10352068, 15528102, 18116119, 31056204, 36232238, 54348357, 72464476, 108696714, 217393428]

約数ペア:

[(1, 217393428), (2, 108696714), (3, 72464476), (4, 54348357), (6, 36232238), (7, 31056204), (12, 18116119), (14, 15528102), (21, 10352068), (28, 7764051), (42, 5176034), (84, 2588017), (389, 558852), (778, 279426), (1167, 186284), (1556, 139713), (2334, 93142), (2723, 79836), (4668, 46571), (5446, 39918), (6653, 32676), (8169, 26612), (10892, 19959), (13306, 16338)]