168957025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 224550732

約数和(自身を除く): 55593707

約数列:

[1, 5, 19, 25, 95, 97, 193, 361, 475, 485, 965, 1805, 1843, 2425, 3667, 4825, 9025, 9215, 18335, 18721, 35017, 46075, 69673, 91675, 93605, 175085, 348365, 355699, 468025, 875425, 1741825, 1778495, 6758281, 8892475, 33791405, 168957025]

約数ペア:

[(1, 168957025), (5, 33791405), (19, 8892475), (25, 6758281), (95, 1778495), (97, 1741825), (193, 875425), (361, 468025), (475, 355699), (485, 348365), (965, 175085), (1805, 93605), (1843, 91675), (2425, 69673), (3667, 46075), (4825, 35017), (9025, 18721), (9215, 18335)]