216915738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2780971}}^1$

素因数の和:2780989

約数の個数: 16

約数和(自身を含む): 467203296

約数和(自身を除く): 250287558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2780971, 5561942, 8342913, 16685826, 36152623, 72305246, 108457869, 216915738]

約数ペア:

[(1, 216915738), (2, 108457869), (3, 72305246), (6, 36152623), (13, 16685826), (26, 8342913), (39, 5561942), (78, 2780971)]