402206472

素因数分解:

$2^3\times 3^4\times {\mathrm{620689}}^1$

素因数の和:620707

約数の個数: 40

約数和(自身を含む): 1126552350

約数和(自身を除く): 724345878

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 620689, 1241378, 1862067, 2482756, 3724134, 4965512, 5586201, 7448268, 11172402, 14896536, 16758603, 22344804, 33517206, 44689608, 50275809, 67034412, 100551618, 134068824, 201103236, 402206472]

約数ペア:

[(1, 402206472), (2, 201103236), (3, 134068824), (4, 100551618), (6, 67034412), (8, 50275809), (9, 44689608), (12, 33517206), (18, 22344804), (24, 16758603), (27, 14896536), (36, 11172402), (54, 7448268), (72, 5586201), (81, 4965512), (108, 3724134), (162, 2482756), (216, 1862067), (324, 1241378), (648, 620689)]