638005280668

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{3033671}}^1$

素因数の和:3033755

約数の個数: 72

約数和(自身を含む): 1379896045920

約数和(自身を除く): 741890765252

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 49, 58, 74, 98, 116, 148, 196, 203, 259, 406, 518, 812, 1036, 1073, 1421, 1813, 2146, 2842, 3626, 4292, 5684, 7252, 7511, 15022, 30044, 52577, 105154, 210308, 3033671, 6067342, 12134684, 21235697, 42471394, 84942788, 87976459, 112245827, 148649879, 175952918, 224491654, 297299758, 351905836, 448983308, 594599516, 615835213, 785720789, 1231670426, 1571441578, 2463340852, 3142883156, 3255128983, 4310846491, 5500045523, 6510257966, 8621692982, 11000091046, 13020515932, 17243385964, 22000182092, 22785902881, 45571805762, 91143611524, 159501320167, 319002640334, 638005280668]

約数ペア:

[(1, 638005280668), (2, 319002640334), (4, 159501320167), (7, 91143611524), (14, 45571805762), (28, 22785902881), (29, 22000182092), (37, 17243385964), (49, 13020515932), (58, 11000091046), (74, 8621692982), (98, 6510257966), (116, 5500045523), (148, 4310846491), (196, 3255128983), (203, 3142883156), (259, 2463340852), (406, 1571441578), (518, 1231670426), (812, 785720789), (1036, 615835213), (1073, 594599516), (1421, 448983308), (1813, 351905836), (2146, 297299758), (2842, 224491654), (3626, 175952918), (4292, 148649879), (5684, 112245827), (7252, 87976459), (7511, 84942788), (15022, 42471394), (30044, 21235697), (52577, 12134684), (105154, 6067342), (210308, 3033671)]