156916804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 308822976

約数和(自身を除く): 151906172

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 197, 394, 421, 473, 788, 842, 946, 1684, 1892, 2167, 4334, 4631, 8471, 8668, 9262, 16942, 18103, 18524, 33884, 36206, 72412, 82937, 93181, 165874, 186362, 199133, 331748, 372724, 398266, 796532, 912307, 1824614, 3566291, 3649228, 7132582, 14265164, 39229201, 78458402, 156916804]

約数ペア:

[(1, 156916804), (2, 78458402), (4, 39229201), (11, 14265164), (22, 7132582), (43, 3649228), (44, 3566291), (86, 1824614), (172, 912307), (197, 796532), (394, 398266), (421, 372724), (473, 331748), (788, 199133), (842, 186362), (946, 165874), (1684, 93181), (1892, 82937), (2167, 72412), (4334, 36206), (4631, 33884), (8471, 18524), (8668, 18103), (9262, 16942)]