81005736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2423}}^1$

素因数の和:2638

約数の個数: 64

約数和(自身を含む): 232704000

約数和(自身を除く): 151698264

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 199, 398, 597, 796, 1194, 1393, 1592, 2388, 2423, 2786, 4179, 4776, 4846, 5572, 7269, 8358, 9692, 11144, 14538, 16716, 16961, 19384, 29076, 33432, 33922, 50883, 58152, 67844, 101766, 135688, 203532, 407064, 482177, 964354, 1446531, 1928708, 2893062, 3375239, 3857416, 5786124, 6750478, 10125717, 11572248, 13500956, 20251434, 27001912, 40502868, 81005736]

約数ペア:

[(1, 81005736), (2, 40502868), (3, 27001912), (4, 20251434), (6, 13500956), (7, 11572248), (8, 10125717), (12, 6750478), (14, 5786124), (21, 3857416), (24, 3375239), (28, 2893062), (42, 1928708), (56, 1446531), (84, 964354), (168, 482177), (199, 407064), (398, 203532), (597, 135688), (796, 101766), (1194, 67844), (1393, 58152), (1592, 50883), (2388, 33922), (2423, 33432), (2786, 29076), (4179, 19384), (4776, 16961), (4846, 16716), (5572, 14538), (7269, 11144), (8358, 9692)]