81242056

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 180172800

約数和(自身を除く): 98930744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 67, 118, 134, 236, 268, 367, 413, 469, 472, 536, 734, 826, 938, 1468, 1652, 1876, 2569, 2936, 3304, 3752, 3953, 5138, 7906, 10276, 15812, 20552, 21653, 24589, 27671, 31624, 43306, 49178, 55342, 86612, 98356, 110684, 151571, 172123, 173224, 196712, 221368, 303142, 344246, 606284, 688492, 1212568, 1376984, 1450751, 2901502, 5803004, 10155257, 11606008, 20310514, 40621028, 81242056]

約数ペア:

[(1, 81242056), (2, 40621028), (4, 20310514), (7, 11606008), (8, 10155257), (14, 5803004), (28, 2901502), (56, 1450751), (59, 1376984), (67, 1212568), (118, 688492), (134, 606284), (236, 344246), (268, 303142), (367, 221368), (413, 196712), (469, 173224), (472, 172123), (536, 151571), (734, 110684), (826, 98356), (938, 86612), (1468, 55342), (1652, 49178), (1876, 43306), (2569, 31624), (2936, 27671), (3304, 24589), (3752, 21653), (3953, 20552), (5138, 15812), (7906, 10276)]