64526825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 91869120

約数和(自身を除く): 27342295

約数列:

[1, 5, 11, 25, 41, 55, 59, 97, 205, 275, 295, 451, 485, 649, 1025, 1067, 1475, 2255, 2419, 2425, 3245, 3977, 5335, 5723, 11275, 12095, 16225, 19885, 26609, 26675, 28615, 43747, 60475, 62953, 99425, 133045, 143075, 218735, 234643, 314765, 665225, 1093675, 1173215, 1573825, 2581073, 5866075, 12905365, 64526825]

約数ペア:

[(1, 64526825), (5, 12905365), (11, 5866075), (25, 2581073), (41, 1573825), (55, 1173215), (59, 1093675), (97, 665225), (205, 314765), (275, 234643), (295, 218735), (451, 143075), (485, 133045), (649, 99425), (1025, 62953), (1067, 60475), (1475, 43747), (2255, 28615), (2419, 26675), (2425, 26609), (3245, 19885), (3977, 16225), (5335, 12095), (5723, 11275)]