78669738

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208121}}^1$

素因数の和:208139

約数の個数: 32

約数和(自身を含む): 199797120

約数和(自身を除く): 121127382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208121, 416242, 624363, 1248726, 1456847, 1873089, 2913694, 3746178, 4370541, 5619267, 8741082, 11238534, 13111623, 26223246, 39334869, 78669738]

約数ペア:

[(1, 78669738), (2, 39334869), (3, 26223246), (6, 13111623), (7, 11238534), (9, 8741082), (14, 5619267), (18, 4370541), (21, 3746178), (27, 2913694), (42, 1873089), (54, 1456847), (63, 1248726), (126, 624363), (189, 416242), (378, 208121)]