628624764

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{9871}}^1$

素因数の和:9971

約数の個数: 72

約数和(自身を含む): 1670934720

約数和(自身を除く): 1042309956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 61, 87, 116, 122, 174, 183, 244, 261, 348, 366, 522, 549, 732, 1044, 1098, 1769, 2196, 3538, 5307, 7076, 9871, 10614, 15921, 19742, 21228, 29613, 31842, 39484, 59226, 63684, 88839, 118452, 177678, 286259, 355356, 572518, 602131, 858777, 1145036, 1204262, 1717554, 1806393, 2408524, 2576331, 3435108, 3612786, 5152662, 5419179, 7225572, 10305324, 10838358, 17461799, 21676716, 34923598, 52385397, 69847196, 104770794, 157156191, 209541588, 314312382, 628624764]

約数ペア:

[(1, 628624764), (2, 314312382), (3, 209541588), (4, 157156191), (6, 104770794), (9, 69847196), (12, 52385397), (18, 34923598), (29, 21676716), (36, 17461799), (58, 10838358), (61, 10305324), (87, 7225572), (116, 5419179), (122, 5152662), (174, 3612786), (183, 3435108), (244, 2576331), (261, 2408524), (348, 1806393), (366, 1717554), (522, 1204262), (549, 1145036), (732, 858777), (1044, 602131), (1098, 572518), (1769, 355356), (2196, 286259), (3538, 177678), (5307, 118452), (7076, 88839), (9871, 63684), (10614, 59226), (15921, 39484), (19742, 31842), (21228, 29613)]