66981538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 111086640

約数和(自身を除く): 44105102

約数列:

[1, 2, 13, 26, 61, 122, 157, 269, 314, 538, 793, 1586, 2041, 3497, 4082, 6994, 9577, 16409, 19154, 32818, 42233, 84466, 124501, 213317, 249002, 426634, 549029, 1098058, 2576213, 5152426, 33490769, 66981538]

約数ペア:

[(1, 66981538), (2, 33490769), (13, 5152426), (26, 2576213), (61, 1098058), (122, 549029), (157, 426634), (269, 249002), (314, 213317), (538, 124501), (793, 84466), (1586, 42233), (2041, 32818), (3497, 19154), (4082, 16409), (6994, 9577)]