253996883

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 315187200

約数和(自身を除く): 61190317

約数列:

[1, 7, 19, 47, 133, 179, 227, 329, 893, 1253, 1589, 3401, 4313, 6251, 8413, 10669, 23807, 30191, 40633, 58891, 74683, 159847, 202711, 284431, 772027, 1118929, 1418977, 1909751, 5404189, 13368257, 36285269, 253996883]

約数ペア:

[(1, 253996883), (7, 36285269), (19, 13368257), (47, 5404189), (133, 1909751), (179, 1418977), (227, 1118929), (329, 772027), (893, 284431), (1253, 202711), (1589, 159847), (3401, 74683), (4313, 58891), (6251, 40633), (8413, 30191), (10669, 23807)]