196207781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 255578880

約数和(自身を除く): 59371099

約数列:

[1, 7, 11, 37, 61, 77, 259, 407, 427, 671, 1129, 2257, 2849, 4697, 7903, 12419, 15799, 24827, 41773, 68869, 86933, 173789, 292411, 459503, 482083, 757559, 2548153, 3216521, 5302913, 17837071, 28029683, 196207781]

約数ペア:

[(1, 196207781), (7, 28029683), (11, 17837071), (37, 5302913), (61, 3216521), (77, 2548153), (259, 757559), (407, 482083), (427, 459503), (671, 292411), (1129, 173789), (2257, 86933), (2849, 68869), (4697, 41773), (7903, 24827), (12419, 15799)]