156978018

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1279

約数の個数: 48

約数和(自身を含む): 348281856

約数和(自身を除く): 191303838

約数列:

[1, 2, 3, 6, 9, 18, 71, 113, 142, 213, 226, 339, 426, 639, 678, 1017, 1087, 1278, 2034, 2174, 3261, 6522, 8023, 9783, 16046, 19566, 24069, 48138, 72207, 77177, 122831, 144414, 154354, 231531, 245662, 368493, 463062, 694593, 736986, 1105479, 1389186, 2210958, 8721001, 17442002, 26163003, 52326006, 78489009, 156978018]

約数ペア:

[(1, 156978018), (2, 78489009), (3, 52326006), (6, 26163003), (9, 17442002), (18, 8721001), (71, 2210958), (113, 1389186), (142, 1105479), (213, 736986), (226, 694593), (339, 463062), (426, 368493), (639, 245662), (678, 231531), (1017, 154354), (1087, 144414), (1278, 122831), (2034, 77177), (2174, 72207), (3261, 48138), (6522, 24069), (8023, 19566), (9783, 16046)]