68464172

素因数分解:

$2^2\times 7^3\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 141120000

約数和(自身を除く): 72655828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 139, 196, 278, 343, 359, 556, 686, 718, 973, 1372, 1436, 1946, 2513, 3892, 5026, 6811, 10052, 13622, 17591, 27244, 35182, 47677, 49901, 70364, 95354, 99802, 123137, 190708, 199604, 246274, 349307, 492548, 698614, 1397228, 2445149, 4890298, 9780596, 17116043, 34232086, 68464172]

約数ペア:

[(1, 68464172), (2, 34232086), (4, 17116043), (7, 9780596), (14, 4890298), (28, 2445149), (49, 1397228), (98, 698614), (139, 492548), (196, 349307), (278, 246274), (343, 199604), (359, 190708), (556, 123137), (686, 99802), (718, 95354), (973, 70364), (1372, 49901), (1436, 47677), (1946, 35182), (2513, 27244), (3892, 17591), (5026, 13622), (6811, 10052)]