187812821

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{22229}}^1$

素因数の和:22324

約数の個数: 16

約数和(自身を含む): 230480640

約数和(自身を除く): 42667819

約数列:

[1, 7, 17, 71, 119, 497, 1207, 8449, 22229, 155603, 377893, 1578259, 2645251, 11047813, 26830403, 187812821]

約数ペア:

[(1, 187812821), (7, 26830403), (17, 11047813), (71, 2645251), (119, 1578259), (497, 377893), (1207, 155603), (8449, 22229)]