15705561978

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{55501}}^1$

素因数の和:55787

約数の個数: 48

約数和(自身を含む): 34633248000

約数和(自身を除く): 18927686022

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 199, 237, 398, 474, 597, 711, 1194, 1422, 1791, 3582, 15721, 31442, 47163, 55501, 94326, 111002, 141489, 166503, 282978, 333006, 499509, 999018, 4384579, 8769158, 11044699, 13153737, 22089398, 26307474, 33134097, 39461211, 66268194, 78922422, 99402291, 198804582, 872531221, 1745062442, 2617593663, 5235187326, 7852780989, 15705561978]

約数ペア:

[(1, 15705561978), (2, 7852780989), (3, 5235187326), (6, 2617593663), (9, 1745062442), (18, 872531221), (79, 198804582), (158, 99402291), (199, 78922422), (237, 66268194), (398, 39461211), (474, 33134097), (597, 26307474), (711, 22089398), (1194, 13153737), (1422, 11044699), (1791, 8769158), (3582, 4384579), (15721, 999018), (31442, 499509), (47163, 333006), (55501, 282978), (94326, 166503), (111002, 141489)]