71708456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1453}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 139584000

約数和(自身を除く): 67875544

約数列:

[1, 2, 4, 8, 31, 62, 124, 199, 248, 398, 796, 1453, 1592, 2906, 5812, 6169, 11624, 12338, 24676, 45043, 49352, 90086, 180172, 289147, 360344, 578294, 1156588, 2313176, 8963557, 17927114, 35854228, 71708456]

約数ペア:

[(1, 71708456), (2, 35854228), (4, 17927114), (8, 8963557), (31, 2313176), (62, 1156588), (124, 578294), (199, 360344), (248, 289147), (398, 180172), (796, 90086), (1453, 49352), (1592, 45043), (2906, 24676), (5812, 12338), (6169, 11624)]