40028978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:934

約数の個数: 24

約数和(自身を含む): 66361680

約数和(自身を除く): 26332702

約数列:

[1, 2, 11, 22, 121, 242, 251, 502, 659, 1318, 2761, 5522, 7249, 14498, 30371, 60742, 79739, 159478, 165409, 330818, 1819499, 3638998, 20014489, 40028978]

約数ペア:

[(1, 40028978), (2, 20014489), (11, 3638998), (22, 1819499), (121, 330818), (242, 165409), (251, 159478), (502, 79739), (659, 60742), (1318, 30371), (2761, 14498), (5522, 7249)]