164004555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 310883328

約数和(自身を除く): 146878773

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 157, 165, 195, 429, 471, 487, 715, 785, 1461, 1727, 2041, 2145, 2355, 2435, 5181, 5357, 6123, 6331, 7305, 8635, 10205, 16071, 18993, 22451, 25905, 26785, 30615, 31655, 67353, 69641, 76459, 80355, 94965, 112255, 208923, 229377, 336765, 348205, 382295, 841049, 993967, 1044615, 1146885, 2523147, 2981901, 4205245, 4969835, 10933637, 12615735, 14909505, 32800911, 54668185, 164004555]

約数ペア:

[(1, 164004555), (3, 54668185), (5, 32800911), (11, 14909505), (13, 12615735), (15, 10933637), (33, 4969835), (39, 4205245), (55, 2981901), (65, 2523147), (143, 1146885), (157, 1044615), (165, 993967), (195, 841049), (429, 382295), (471, 348205), (487, 336765), (715, 229377), (785, 208923), (1461, 112255), (1727, 94965), (2041, 80355), (2145, 76459), (2355, 69641), (2435, 67353), (5181, 31655), (5357, 30615), (6123, 26785), (6331, 25905), (7305, 22451), (8635, 18993), (10205, 16071)]