261351636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239333}}^1$

素因数の和:239360

約数の個数: 48

約数和(自身を含む): 750551424

約数和(自身を除く): 489199788

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 239333, 478666, 717999, 957332, 1435998, 1675331, 2871996, 3111329, 3350662, 5025993, 6222658, 6701324, 9333987, 10051986, 12445316, 18667974, 20103972, 21779303, 37335948, 43558606, 65337909, 87117212, 130675818, 261351636]

約数ペア:

[(1, 261351636), (2, 130675818), (3, 87117212), (4, 65337909), (6, 43558606), (7, 37335948), (12, 21779303), (13, 20103972), (14, 18667974), (21, 12445316), (26, 10051986), (28, 9333987), (39, 6701324), (42, 6222658), (52, 5025993), (78, 3350662), (84, 3111329), (91, 2871996), (156, 1675331), (182, 1435998), (273, 957332), (364, 717999), (546, 478666), (1092, 239333)]