218961306

素因数分解:

$2^1\times 3^4\times {\mathrm{157}}^1\times {\mathrm{8609}}^1$

素因数の和:8780

約数の個数: 40

約数和(自身を含む): 493817940

約数和(自身を除く): 274856634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 157, 162, 314, 471, 942, 1413, 2826, 4239, 8478, 8609, 12717, 17218, 25434, 25827, 51654, 77481, 154962, 232443, 464886, 697329, 1351613, 1394658, 2703226, 4054839, 8109678, 12164517, 24329034, 36493551, 72987102, 109480653, 218961306]

約数ペア:

[(1, 218961306), (2, 109480653), (3, 72987102), (6, 36493551), (9, 24329034), (18, 12164517), (27, 8109678), (54, 4054839), (81, 2703226), (157, 1394658), (162, 1351613), (314, 697329), (471, 464886), (942, 232443), (1413, 154962), (2826, 77481), (4239, 51654), (8478, 25827), (8609, 25434), (12717, 17218)]