8491945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 13592448

約数和(自身を除く): 5100503

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 137, 161, 245, 253, 385, 539, 685, 805, 959, 1127, 1265, 1507, 1771, 2695, 3151, 4795, 5635, 6713, 7535, 8855, 10549, 12397, 15755, 22057, 33565, 34661, 52745, 61985, 73843, 110285, 154399, 173305, 242627, 369215, 771995, 1213135, 1698389, 8491945]

約数ペア:

[(1, 8491945), (5, 1698389), (7, 1213135), (11, 771995), (23, 369215), (35, 242627), (49, 173305), (55, 154399), (77, 110285), (115, 73843), (137, 61985), (161, 52745), (245, 34661), (253, 33565), (385, 22057), (539, 15755), (685, 12397), (805, 10549), (959, 8855), (1127, 7535), (1265, 6713), (1507, 5635), (1771, 4795), (2695, 3151)]