80980172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{587}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 175176960

約数和(自身を除く): 94196788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 379, 587, 758, 1174, 1516, 2348, 2653, 4109, 4927, 5306, 7631, 8218, 9854, 10612, 15262, 16436, 19708, 30524, 34489, 53417, 68978, 106834, 137956, 213668, 222473, 444946, 889892, 1557311, 2892149, 3114622, 5784298, 6229244, 11568596, 20245043, 40490086, 80980172]

約数ペア:

[(1, 80980172), (2, 40490086), (4, 20245043), (7, 11568596), (13, 6229244), (14, 5784298), (26, 3114622), (28, 2892149), (52, 1557311), (91, 889892), (182, 444946), (364, 222473), (379, 213668), (587, 137956), (758, 106834), (1174, 68978), (1516, 53417), (2348, 34489), (2653, 30524), (4109, 19708), (4927, 16436), (5306, 15262), (7631, 10612), (8218, 9854)]