638210748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{18947}}^1$

素因数の和:19362

約数の個数: 48

約数和(自身を含む): 1706229504

約数和(自身を除く): 1068018756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 401, 802, 1203, 1604, 2406, 2807, 4812, 5614, 8421, 11228, 16842, 18947, 33684, 37894, 56841, 75788, 113682, 132629, 227364, 265258, 397887, 530516, 795774, 1591548, 7597747, 15195494, 22793241, 30390988, 45586482, 53184229, 91172964, 106368458, 159552687, 212736916, 319105374, 638210748]

約数ペア:

[(1, 638210748), (2, 319105374), (3, 212736916), (4, 159552687), (6, 106368458), (7, 91172964), (12, 53184229), (14, 45586482), (21, 30390988), (28, 22793241), (42, 15195494), (84, 7597747), (401, 1591548), (802, 795774), (1203, 530516), (1604, 397887), (2406, 265258), (2807, 227364), (4812, 132629), (5614, 113682), (8421, 75788), (11228, 56841), (16842, 37894), (18947, 33684)]