168870884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 369911808

約数和(自身を除く): 201040924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 169, 182, 254, 281, 338, 364, 508, 562, 676, 889, 1124, 1183, 1651, 1778, 1967, 2366, 3302, 3556, 3653, 3934, 4732, 6604, 7306, 7868, 11557, 14612, 21463, 23114, 25571, 35687, 42926, 46228, 47489, 51142, 71374, 85852, 94978, 102284, 142748, 150241, 189956, 249809, 300482, 332423, 463931, 499618, 600964, 664846, 927862, 999236, 1329692, 1855724, 3247517, 6031103, 6495034, 12062206, 12990068, 24124412, 42217721, 84435442, 168870884]

約数ペア:

[(1, 168870884), (2, 84435442), (4, 42217721), (7, 24124412), (13, 12990068), (14, 12062206), (26, 6495034), (28, 6031103), (52, 3247517), (91, 1855724), (127, 1329692), (169, 999236), (182, 927862), (254, 664846), (281, 600964), (338, 499618), (364, 463931), (508, 332423), (562, 300482), (676, 249809), (889, 189956), (1124, 150241), (1183, 142748), (1651, 102284), (1778, 94978), (1967, 85852), (2366, 71374), (3302, 51142), (3556, 47489), (3653, 46228), (3934, 42926), (4732, 35687), (6604, 25571), (7306, 23114), (7868, 21463), (11557, 14612)]