25785704

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 31791256

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 97, 101, 188, 194, 202, 329, 376, 388, 404, 658, 679, 707, 776, 808, 1316, 1358, 1414, 2632, 2716, 2828, 4559, 4747, 5432, 5656, 9118, 9494, 9797, 18236, 18988, 19594, 31913, 33229, 36472, 37976, 39188, 63826, 66458, 68579, 78376, 127652, 132916, 137158, 255304, 265832, 274316, 460459, 548632, 920918, 1841836, 3223213, 3683672, 6446426, 12892852, 25785704]

約数ペア:

[(1, 25785704), (2, 12892852), (4, 6446426), (7, 3683672), (8, 3223213), (14, 1841836), (28, 920918), (47, 548632), (56, 460459), (94, 274316), (97, 265832), (101, 255304), (188, 137158), (194, 132916), (202, 127652), (329, 78376), (376, 68579), (388, 66458), (404, 63826), (658, 39188), (679, 37976), (707, 36472), (776, 33229), (808, 31913), (1316, 19594), (1358, 18988), (1414, 18236), (2632, 9797), (2716, 9494), (2828, 9118), (4559, 5656), (4747, 5432)]