1642804578

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{440903}}^1$

素因数の和:440940

約数の個数: 40

約数和(自身を含む): 3841155648

約数和(自身を除く): 2198351070

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 440903, 881806, 1322709, 2645418, 3968127, 7936254, 10140769, 11904381, 20281538, 23808762, 30422307, 35713143, 60844614, 71426286, 91266921, 182533842, 273800763, 547601526, 821402289, 1642804578]

約数ペア:

[(1, 1642804578), (2, 821402289), (3, 547601526), (6, 273800763), (9, 182533842), (18, 91266921), (23, 71426286), (27, 60844614), (46, 35713143), (54, 30422307), (69, 23808762), (81, 20281538), (138, 11904381), (162, 10140769), (207, 7936254), (414, 3968127), (621, 2645418), (1242, 1322709), (1863, 881806), (3726, 440903)]