16978255

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 36

約数和(自身を含む): 24964632

約数和(自身を除く): 7986377

約数列:

[1, 5, 7, 23, 35, 49, 115, 131, 161, 245, 529, 655, 805, 917, 1127, 2645, 3013, 3703, 4585, 5635, 6419, 15065, 18515, 21091, 25921, 32095, 69299, 105455, 129605, 147637, 346495, 485093, 738185, 2425465, 3395651, 16978255]

約数ペア:

[(1, 16978255), (5, 3395651), (7, 2425465), (23, 738185), (35, 485093), (49, 346495), (115, 147637), (131, 129605), (161, 105455), (245, 69299), (529, 32095), (655, 25921), (805, 21091), (917, 18515), (1127, 15065), (2645, 6419), (3013, 5635), (3703, 4585)]