220640418

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 485930016

約数和(自身を除く): 265289598

約数列:

[1, 2, 3, 6, 9, 18, 131, 137, 262, 274, 393, 411, 683, 786, 822, 1179, 1233, 1366, 2049, 2358, 2466, 4098, 6147, 12294, 17947, 35894, 53841, 89473, 93571, 107682, 161523, 178946, 187142, 268419, 280713, 323046, 536838, 561426, 805257, 842139, 1610514, 1684278, 12257801, 24515602, 36773403, 73546806, 110320209, 220640418]

約数ペア:

[(1, 220640418), (2, 110320209), (3, 73546806), (6, 36773403), (9, 24515602), (18, 12257801), (131, 1684278), (137, 1610514), (262, 842139), (274, 805257), (393, 561426), (411, 536838), (683, 323046), (786, 280713), (822, 268419), (1179, 187142), (1233, 178946), (1366, 161523), (2049, 107682), (2358, 93571), (2466, 89473), (4098, 53841), (6147, 35894), (12294, 17947)]