216227778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{74923}}^1$

素因数の和:74978

約数の個数: 32

約数和(自身を含む): 478314816

約数和(自身を除く): 262087038

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 74923, 149846, 224769, 449538, 973999, 1947998, 2772151, 2921997, 5544302, 5843994, 8316453, 16632906, 36037963, 72075926, 108113889, 216227778]

約数ペア:

[(1, 216227778), (2, 108113889), (3, 72075926), (6, 36037963), (13, 16632906), (26, 8316453), (37, 5843994), (39, 5544302), (74, 2921997), (78, 2772151), (111, 1947998), (222, 973999), (481, 449538), (962, 224769), (1443, 149846), (2886, 74923)]