725258196

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81563}}^1$

素因数の和:81605

約数の個数: 72

約数和(自身を含む): 2078250720

約数和(自身を除く): 1352992524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 81563, 163126, 244689, 326252, 489378, 734067, 978756, 1060319, 1468134, 1549697, 2120638, 2936268, 3099394, 3180957, 4241276, 4649091, 6198788, 6361914, 9298182, 9542871, 12723828, 13947273, 18596364, 19085742, 20146061, 27894546, 38171484, 40292122, 55789092, 60438183, 80584244, 120876366, 181314549, 241752732, 362629098, 725258196]

約数ペア:

[(1, 725258196), (2, 362629098), (3, 241752732), (4, 181314549), (6, 120876366), (9, 80584244), (12, 60438183), (13, 55789092), (18, 40292122), (19, 38171484), (26, 27894546), (36, 20146061), (38, 19085742), (39, 18596364), (52, 13947273), (57, 12723828), (76, 9542871), (78, 9298182), (114, 6361914), (117, 6198788), (156, 4649091), (171, 4241276), (228, 3180957), (234, 3099394), (247, 2936268), (342, 2120638), (468, 1549697), (494, 1468134), (684, 1060319), (741, 978756), (988, 734067), (1482, 489378), (2223, 326252), (2964, 244689), (4446, 163126), (8892, 81563)]