1291245330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{216289}}^1$

素因数の和:216498

約数の個数: 32

約数和(自身を含む): 3114576000

約数和(自身を除く): 1823330670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 597, 995, 1194, 1990, 2985, 5970, 216289, 432578, 648867, 1081445, 1297734, 2162890, 3244335, 6488670, 43041511, 86083022, 129124533, 215207555, 258249066, 430415110, 645622665, 1291245330]

約数ペア:

[(1, 1291245330), (2, 645622665), (3, 430415110), (5, 258249066), (6, 215207555), (10, 129124533), (15, 86083022), (30, 43041511), (199, 6488670), (398, 3244335), (597, 2162890), (995, 1297734), (1194, 1081445), (1990, 648867), (2985, 432578), (5970, 216289)]