690441388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2753}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 1524041568

約数和(自身を除く): 833600180

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 169, 182, 212, 338, 364, 371, 676, 689, 742, 1183, 1378, 1484, 2366, 2753, 2756, 4732, 4823, 5506, 8957, 9646, 11012, 17914, 19271, 19292, 35789, 35828, 38542, 62699, 71578, 77084, 125398, 143156, 145909, 250523, 250796, 291818, 465257, 501046, 583636, 930514, 1002092, 1021363, 1861028, 1896817, 2042726, 3256799, 3793634, 4085452, 6513598, 7587268, 13027196, 13277719, 24658621, 26555438, 49317242, 53110876, 98634484, 172610347, 345220694, 690441388]

約数ペア:

[(1, 690441388), (2, 345220694), (4, 172610347), (7, 98634484), (13, 53110876), (14, 49317242), (26, 26555438), (28, 24658621), (52, 13277719), (53, 13027196), (91, 7587268), (106, 6513598), (169, 4085452), (182, 3793634), (212, 3256799), (338, 2042726), (364, 1896817), (371, 1861028), (676, 1021363), (689, 1002092), (742, 930514), (1183, 583636), (1378, 501046), (1484, 465257), (2366, 291818), (2753, 250796), (2756, 250523), (4732, 145909), (4823, 143156), (5506, 125398), (8957, 77084), (9646, 71578), (11012, 62699), (17914, 38542), (19271, 35828), (19292, 35789)]