789040987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 967449600

約数和(自身を除く): 178408613

約数列:

[1, 7, 19, 101, 133, 151, 389, 707, 1057, 1919, 2723, 2869, 7391, 13433, 15251, 20083, 39289, 51737, 58739, 106757, 275023, 289769, 411173, 746491, 1116041, 2028383, 5225437, 5932639, 7812287, 41528473, 112720141, 789040987]

約数ペア:

[(1, 789040987), (7, 112720141), (19, 41528473), (101, 7812287), (133, 5932639), (151, 5225437), (389, 2028383), (707, 1116041), (1057, 746491), (1919, 411173), (2723, 289769), (2869, 275023), (7391, 106757), (13433, 58739), (15251, 51737), (20083, 39289)]