25631988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 67048800

約数和(自身を除く): 41416812

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 289, 323, 389, 578, 646, 778, 867, 969, 1156, 1167, 1292, 1556, 1734, 1938, 2334, 3468, 3876, 4668, 5491, 6613, 7391, 10982, 13226, 14782, 16473, 19839, 21964, 22173, 26452, 29564, 32946, 39678, 44346, 65892, 79356, 88692, 112421, 125647, 224842, 251294, 337263, 376941, 449684, 502588, 674526, 753882, 1349052, 1507764, 2135999, 4271998, 6407997, 8543996, 12815994, 25631988]

約数ペア:

[(1, 25631988), (2, 12815994), (3, 8543996), (4, 6407997), (6, 4271998), (12, 2135999), (17, 1507764), (19, 1349052), (34, 753882), (38, 674526), (51, 502588), (57, 449684), (68, 376941), (76, 337263), (102, 251294), (114, 224842), (204, 125647), (228, 112421), (289, 88692), (323, 79356), (389, 65892), (578, 44346), (646, 39678), (778, 32946), (867, 29564), (969, 26452), (1156, 22173), (1167, 21964), (1292, 19839), (1556, 16473), (1734, 14782), (1938, 13226), (2334, 10982), (3468, 7391), (3876, 6613), (4668, 5491)]