28478826

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 64502568

約数和(自身を除く): 36023742

約数列:

[1, 2, 3, 6, 9, 18, 37, 61, 74, 111, 122, 183, 222, 333, 366, 549, 666, 701, 1098, 1402, 2103, 2257, 4206, 4514, 6309, 6771, 12618, 13542, 20313, 25937, 40626, 42761, 51874, 77811, 85522, 128283, 155622, 233433, 256566, 384849, 466866, 769698, 1582157, 3164314, 4746471, 9492942, 14239413, 28478826]

約数ペア:

[(1, 28478826), (2, 14239413), (3, 9492942), (6, 4746471), (9, 3164314), (18, 1582157), (37, 769698), (61, 466866), (74, 384849), (111, 256566), (122, 233433), (183, 155622), (222, 128283), (333, 85522), (366, 77811), (549, 51874), (666, 42761), (701, 40626), (1098, 25937), (1402, 20313), (2103, 13542), (2257, 12618), (4206, 6771), (4514, 6309)]