156913519

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 201398400

約数和(自身を除く): 44484881

約数列:

[1, 7, 17, 29, 41, 119, 203, 287, 493, 697, 1109, 1189, 3451, 4879, 7763, 8323, 18853, 20213, 32161, 45469, 131971, 141491, 225127, 318283, 546737, 772973, 1318601, 3827159, 5410811, 9230207, 22416217, 156913519]

約数ペア:

[(1, 156913519), (7, 22416217), (17, 9230207), (29, 5410811), (41, 3827159), (119, 1318601), (203, 772973), (287, 546737), (493, 318283), (697, 225127), (1109, 141491), (1189, 131971), (3451, 45469), (4879, 32161), (7763, 20213), (8323, 18853)]