398138904

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{43541}}^1$

素因数の和:43680

約数の個数: 48

約数和(自身を含む): 1086808320

約数和(自身を除く): 688669416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 2286, 3048, 4572, 9144, 43541, 87082, 130623, 174164, 261246, 348328, 391869, 522492, 783738, 1044984, 1567476, 3134952, 5529707, 11059414, 16589121, 22118828, 33178242, 44237656, 49767363, 66356484, 99534726, 132712968, 199069452, 398138904]

約数ペア:

[(1, 398138904), (2, 199069452), (3, 132712968), (4, 99534726), (6, 66356484), (8, 49767363), (9, 44237656), (12, 33178242), (18, 22118828), (24, 16589121), (36, 11059414), (72, 5529707), (127, 3134952), (254, 1567476), (381, 1044984), (508, 783738), (762, 522492), (1016, 391869), (1143, 348328), (1524, 261246), (2286, 174164), (3048, 130623), (4572, 87082), (9144, 43541)]