1781810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 3428352

約数和(自身を除く): 1646542

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 127, 230, 254, 305, 610, 635, 1270, 1403, 2806, 2921, 5842, 7015, 7747, 14030, 14605, 15494, 29210, 38735, 77470, 178181, 356362, 890905, 1781810]

約数ペア:

[(1, 1781810), (2, 890905), (5, 356362), (10, 178181), (23, 77470), (46, 38735), (61, 29210), (115, 15494), (122, 14605), (127, 14030), (230, 7747), (254, 7015), (305, 5842), (610, 2921), (635, 2806), (1270, 1403)]