221336456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{15061}}^1$

素因数の和:15245

約数の個数: 32

約数和(自身を含む): 455474880

約数和(自身を除く): 234138424

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 167, 334, 668, 1336, 1837, 3674, 7348, 14696, 15061, 30122, 60244, 120488, 165671, 331342, 662684, 1325368, 2515187, 5030374, 10060748, 20121496, 27667057, 55334114, 110668228, 221336456]

約数ペア:

[(1, 221336456), (2, 110668228), (4, 55334114), (8, 27667057), (11, 20121496), (22, 10060748), (44, 5030374), (88, 2515187), (167, 1325368), (334, 662684), (668, 331342), (1336, 165671), (1837, 120488), (3674, 60244), (7348, 30122), (14696, 15061)]