218151388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31543}}^1$

素因数の和:31586

約数の個数: 48

約数和(自身を含む): 494609920

約数和(自身を除く): 276458532

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 31543, 63086, 126172, 220801, 410059, 441602, 599317, 820118, 883204, 1198634, 1640236, 2397268, 2870413, 4195219, 5740826, 7791121, 8390438, 11481652, 15582242, 16780876, 31164484, 54537847, 109075694, 218151388]

約数ペア:

[(1, 218151388), (2, 109075694), (4, 54537847), (7, 31164484), (13, 16780876), (14, 15582242), (19, 11481652), (26, 8390438), (28, 7791121), (38, 5740826), (52, 4195219), (76, 2870413), (91, 2397268), (133, 1640236), (182, 1198634), (247, 883204), (266, 820118), (364, 599317), (494, 441602), (532, 410059), (988, 220801), (1729, 126172), (3458, 63086), (6916, 31543)]