25019428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 28202972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 359, 524, 532, 718, 917, 1436, 1834, 2489, 2513, 3668, 4978, 5026, 6821, 9956, 10052, 13642, 17423, 27284, 34846, 47029, 47747, 69692, 94058, 95494, 188116, 190988, 329203, 658406, 893551, 1316812, 1787102, 3574204, 6254857, 12509714, 25019428]

約数ペア:

[(1, 25019428), (2, 12509714), (4, 6254857), (7, 3574204), (14, 1787102), (19, 1316812), (28, 893551), (38, 658406), (76, 329203), (131, 190988), (133, 188116), (262, 95494), (266, 94058), (359, 69692), (524, 47747), (532, 47029), (718, 34846), (917, 27284), (1436, 17423), (1834, 13642), (2489, 10052), (2513, 9956), (3668, 6821), (4978, 5026)]