25019883

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 44568576

約数和(自身を除く): 19548693

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 483, 557, 651, 713, 1449, 1671, 1953, 2139, 3899, 4991, 5013, 6417, 11697, 12811, 14973, 17267, 35091, 38433, 44919, 51801, 89677, 115299, 120869, 155403, 269031, 362607, 397141, 807093, 1087821, 1191423, 2779987, 3574269, 8339961, 25019883]

約数ペア:

[(1, 25019883), (3, 8339961), (7, 3574269), (9, 2779987), (21, 1191423), (23, 1087821), (31, 807093), (63, 397141), (69, 362607), (93, 269031), (161, 155403), (207, 120869), (217, 115299), (279, 89677), (483, 51801), (557, 44919), (651, 38433), (713, 35091), (1449, 17267), (1671, 14973), (1953, 12811), (2139, 11697), (3899, 6417), (4991, 5013)]