721152019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2069}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 912124800

約数和(自身を除く): 190972781

約数列:

[1, 7, 17, 29, 101, 119, 203, 493, 707, 1717, 2069, 2929, 3451, 12019, 14483, 20503, 35173, 49793, 60001, 208969, 246211, 348551, 420007, 1020017, 1462783, 3552473, 6060101, 7140119, 24867311, 42420707, 103021717, 721152019]

約数ペア:

[(1, 721152019), (7, 103021717), (17, 42420707), (29, 24867311), (101, 7140119), (119, 6060101), (203, 3552473), (493, 1462783), (707, 1020017), (1717, 420007), (2069, 348551), (2929, 246211), (3451, 208969), (12019, 60001), (14483, 49793), (20503, 35173)]