217309644

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1277}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 572186160

約数和(自身を除く): 354876516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 163, 174, 261, 326, 348, 489, 522, 652, 978, 1044, 1277, 1467, 1956, 2554, 2934, 3831, 4727, 5108, 5868, 7662, 9454, 11493, 14181, 15324, 18908, 22986, 28362, 37033, 42543, 45972, 56724, 74066, 85086, 111099, 148132, 170172, 208151, 222198, 333297, 416302, 444396, 624453, 666594, 832604, 1248906, 1333188, 1873359, 2497812, 3746718, 6036379, 7493436, 12072758, 18109137, 24145516, 36218274, 54327411, 72436548, 108654822, 217309644]

約数ペア:

[(1, 217309644), (2, 108654822), (3, 72436548), (4, 54327411), (6, 36218274), (9, 24145516), (12, 18109137), (18, 12072758), (29, 7493436), (36, 6036379), (58, 3746718), (87, 2497812), (116, 1873359), (163, 1333188), (174, 1248906), (261, 832604), (326, 666594), (348, 624453), (489, 444396), (522, 416302), (652, 333297), (978, 222198), (1044, 208151), (1277, 170172), (1467, 148132), (1956, 111099), (2554, 85086), (2934, 74066), (3831, 56724), (4727, 45972), (5108, 42543), (5868, 37033), (7662, 28362), (9454, 22986), (11493, 18908), (14181, 15324)]