258686316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1553}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 748928544

約数和(自身を除く): 490242228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 661, 1322, 1553, 1983, 2644, 3106, 3966, 4627, 4659, 5949, 6212, 7932, 9254, 9318, 10871, 11898, 13881, 13977, 18508, 18636, 21742, 23796, 27762, 27954, 32613, 41643, 43484, 55524, 55908, 65226, 83286, 97839, 130452, 166572, 195678, 391356, 1026533, 2053066, 3079599, 4106132, 6159198, 7185731, 9238797, 12318396, 14371462, 18477594, 21557193, 28742924, 36955188, 43114386, 64671579, 86228772, 129343158, 258686316]

約数ペア:

[(1, 258686316), (2, 129343158), (3, 86228772), (4, 64671579), (6, 43114386), (7, 36955188), (9, 28742924), (12, 21557193), (14, 18477594), (18, 14371462), (21, 12318396), (28, 9238797), (36, 7185731), (42, 6159198), (63, 4106132), (84, 3079599), (126, 2053066), (252, 1026533), (661, 391356), (1322, 195678), (1553, 166572), (1983, 130452), (2644, 97839), (3106, 83286), (3966, 65226), (4627, 55908), (4659, 55524), (5949, 43484), (6212, 41643), (7932, 32613), (9254, 27954), (9318, 27762), (10871, 23796), (11898, 21742), (13881, 18636), (13977, 18508)]