289241315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:668

約数の個数: 48

約数和(自身を含む): 415908864

約数和(自身を除く): 126667549

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 289, 341, 527, 587, 935, 1445, 1705, 2635, 2935, 3179, 5797, 6457, 8959, 9979, 15895, 18197, 28985, 32285, 44795, 49895, 90985, 98549, 109769, 169643, 200167, 309349, 492745, 548845, 848215, 1000835, 1546745, 1866073, 3402839, 5258933, 9330365, 17014195, 26294665, 57848263, 289241315]

約数ペア:

[(1, 289241315), (5, 57848263), (11, 26294665), (17, 17014195), (31, 9330365), (55, 5258933), (85, 3402839), (155, 1866073), (187, 1546745), (289, 1000835), (341, 848215), (527, 548845), (587, 492745), (935, 309349), (1445, 200167), (1705, 169643), (2635, 109769), (2935, 98549), (3179, 90985), (5797, 49895), (6457, 44795), (8959, 32285), (9979, 28985), (15895, 18197)]