505890238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 921715200

約数和(自身を除く): 415824962

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 361, 398, 503, 722, 1006, 1393, 2527, 2786, 3521, 3781, 5054, 7042, 7562, 9557, 19114, 26467, 52934, 66899, 71839, 100097, 133798, 143678, 181583, 200194, 363166, 502873, 700679, 1005746, 1271081, 1401358, 1901843, 2542162, 3803686, 13312901, 26625802, 36135017, 72270034, 252945119, 505890238]

約数ペア:

[(1, 505890238), (2, 252945119), (7, 72270034), (14, 36135017), (19, 26625802), (38, 13312901), (133, 3803686), (199, 2542162), (266, 1901843), (361, 1401358), (398, 1271081), (503, 1005746), (722, 700679), (1006, 502873), (1393, 363166), (2527, 200194), (2786, 181583), (3521, 143678), (3781, 133798), (5054, 100097), (7042, 71839), (7562, 66899), (9557, 52934), (19114, 26467)]