25280332

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 55560960

約数和(自身を除く): 30280628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 389, 422, 778, 844, 1477, 1556, 2321, 2723, 2954, 4279, 4642, 5446, 5908, 8558, 9284, 10892, 16247, 17116, 29953, 32494, 59906, 64988, 82079, 119812, 164158, 328316, 574553, 902869, 1149106, 1805738, 2298212, 3611476, 6320083, 12640166, 25280332]

約数ペア:

[(1, 25280332), (2, 12640166), (4, 6320083), (7, 3611476), (11, 2298212), (14, 1805738), (22, 1149106), (28, 902869), (44, 574553), (77, 328316), (154, 164158), (211, 119812), (308, 82079), (389, 64988), (422, 59906), (778, 32494), (844, 29953), (1477, 17116), (1556, 16247), (2321, 10892), (2723, 9284), (2954, 8558), (4279, 5908), (4642, 5446)]