216966148

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1381}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 450731008

約数和(自身を除く): 233764860

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 181, 217, 362, 434, 724, 868, 1267, 1381, 2534, 2762, 5068, 5524, 5611, 9667, 11222, 19334, 22444, 38668, 39277, 42811, 78554, 85622, 157108, 171244, 249961, 299677, 499922, 599354, 999844, 1198708, 1749727, 3499454, 6998908, 7748791, 15497582, 30995164, 54241537, 108483074, 216966148]

約数ペア:

[(1, 216966148), (2, 108483074), (4, 54241537), (7, 30995164), (14, 15497582), (28, 7748791), (31, 6998908), (62, 3499454), (124, 1749727), (181, 1198708), (217, 999844), (362, 599354), (434, 499922), (724, 299677), (868, 249961), (1267, 171244), (1381, 157108), (2534, 85622), (2762, 78554), (5068, 42811), (5524, 39277), (5611, 38668), (9667, 22444), (11222, 19334)]