251915692

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1559}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 524160000

約数和(自身を除く): 272244308

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 199, 203, 398, 406, 796, 812, 1393, 1559, 2786, 3118, 5572, 5771, 6236, 10913, 11542, 21826, 23084, 40397, 43652, 45211, 80794, 90422, 161588, 180844, 310241, 316477, 620482, 632954, 1240964, 1265908, 2171687, 4343374, 8686748, 8996989, 17993978, 35987956, 62978923, 125957846, 251915692]

約数ペア:

[(1, 251915692), (2, 125957846), (4, 62978923), (7, 35987956), (14, 17993978), (28, 8996989), (29, 8686748), (58, 4343374), (116, 2171687), (199, 1265908), (203, 1240964), (398, 632954), (406, 620482), (796, 316477), (812, 310241), (1393, 180844), (1559, 161588), (2786, 90422), (3118, 80794), (5572, 45211), (5771, 43652), (6236, 40397), (10913, 23084), (11542, 21826)]