1639791378

素因数分解:

$2^1\times 3^4\times {\mathrm{389}}^1\times {\mathrm{26021}}^1$

素因数の和:26424

約数の個数: 40

約数和(自身を含む): 3683934540

約数和(自身を除く): 2044143162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 389, 778, 1167, 2334, 3501, 7002, 10503, 21006, 26021, 31509, 52042, 63018, 78063, 156126, 234189, 468378, 702567, 1405134, 2107701, 4215402, 10122169, 20244338, 30366507, 60733014, 91099521, 182199042, 273298563, 546597126, 819895689, 1639791378]

約数ペア:

[(1, 1639791378), (2, 819895689), (3, 546597126), (6, 273298563), (9, 182199042), (18, 91099521), (27, 60733014), (54, 30366507), (81, 20244338), (162, 10122169), (389, 4215402), (778, 2107701), (1167, 1405134), (2334, 702567), (3501, 468378), (7002, 234189), (10503, 156126), (21006, 78063), (26021, 63018), (31509, 52042)]