7221890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 14209776

約数和(自身を除く): 6987886

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 761, 949, 1522, 1898, 3805, 4745, 7610, 9490, 9893, 19786, 49465, 55553, 98930, 111106, 277765, 555530, 722189, 1444378, 3610945, 7221890]

約数ペア:

[(1, 7221890), (2, 3610945), (5, 1444378), (10, 722189), (13, 555530), (26, 277765), (65, 111106), (73, 98930), (130, 55553), (146, 49465), (365, 19786), (730, 9893), (761, 9490), (949, 7610), (1522, 4745), (1898, 3805)]