31020964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 59464020

約数和(自身を除く): 28443056

約数列:

[1, 2, 4, 13, 26, 52, 109, 169, 218, 338, 421, 436, 676, 842, 1417, 1684, 2834, 5473, 5668, 10946, 18421, 21892, 36842, 45889, 71149, 73684, 91778, 142298, 183556, 284596, 596557, 1193114, 2386228, 7755241, 15510482, 31020964]

約数ペア:

[(1, 31020964), (2, 15510482), (4, 7755241), (13, 2386228), (26, 1193114), (52, 596557), (109, 284596), (169, 183556), (218, 142298), (338, 91778), (421, 73684), (436, 71149), (676, 45889), (842, 36842), (1417, 21892), (1684, 18421), (2834, 10946), (5473, 5668)]