219216851

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 271848960

約数和(自身を除く): 52632109

約数列:

[1, 7, 19, 53, 133, 137, 227, 371, 959, 1007, 1589, 2603, 4313, 7049, 7261, 12031, 18221, 30191, 31099, 50827, 84217, 137959, 217693, 228589, 590881, 965713, 1600123, 1648247, 4136167, 11537729, 31316693, 219216851]

約数ペア:

[(1, 219216851), (7, 31316693), (19, 11537729), (53, 4136167), (133, 1648247), (137, 1600123), (227, 965713), (371, 590881), (959, 228589), (1007, 217693), (1589, 137959), (2603, 84217), (4313, 50827), (7049, 31099), (7261, 30191), (12031, 18221)]