156909025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 249359040

約数和(自身を除く): 92450015

約数列:

[1, 5, 7, 13, 25, 35, 49, 59, 65, 91, 167, 175, 245, 295, 325, 413, 455, 637, 767, 835, 1169, 1225, 1475, 2065, 2171, 2275, 2891, 3185, 3835, 4175, 5369, 5845, 8183, 9853, 10325, 10855, 14455, 15197, 15925, 19175, 26845, 29225, 37583, 40915, 49265, 54275, 68971, 72275, 75985, 106379, 128089, 134225, 187915, 204575, 246325, 344855, 379925, 482797, 531895, 640445, 896623, 939575, 1724275, 2413985, 2659475, 3202225, 4483115, 6276361, 12069925, 22415575, 31381805, 156909025]

約数ペア:

[(1, 156909025), (5, 31381805), (7, 22415575), (13, 12069925), (25, 6276361), (35, 4483115), (49, 3202225), (59, 2659475), (65, 2413985), (91, 1724275), (167, 939575), (175, 896623), (245, 640445), (295, 531895), (325, 482797), (413, 379925), (455, 344855), (637, 246325), (767, 204575), (835, 187915), (1169, 134225), (1225, 128089), (1475, 106379), (2065, 75985), (2171, 72275), (2275, 68971), (2891, 54275), (3185, 49265), (3835, 40915), (4175, 37583), (5369, 29225), (5845, 26845), (8183, 19175), (9853, 15925), (10325, 15197), (10855, 14455)]