259449310

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1\times {\mathrm{997}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 477267552

約数和(自身を除く): 217818242

約数列:

[1, 2, 5, 10, 53, 106, 265, 491, 530, 982, 997, 1994, 2455, 4910, 4985, 9970, 26023, 52046, 52841, 105682, 130115, 260230, 264205, 489527, 528410, 979054, 2447635, 4895270, 25944931, 51889862, 129724655, 259449310]

約数ペア:

[(1, 259449310), (2, 129724655), (5, 51889862), (10, 25944931), (53, 4895270), (106, 2447635), (265, 979054), (491, 528410), (530, 489527), (982, 264205), (997, 260230), (1994, 130115), (2455, 105682), (4910, 52841), (4985, 52046), (9970, 26023)]