81722004

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10691}}^1$

素因数の和:10725

約数の個数: 72

約数和(自身を含む): 238902048

約数和(自身を除く): 157180044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 10691, 21382, 32073, 42764, 64146, 74837, 128292, 138983, 149674, 224511, 277966, 299348, 416949, 449022, 523859, 555932, 833898, 898044, 972881, 1047718, 1571577, 1667796, 1945762, 2095436, 2918643, 3143154, 3891524, 5837286, 6286308, 6810167, 11674572, 13620334, 20430501, 27240668, 40861002, 81722004]

約数ペア:

[(1, 81722004), (2, 40861002), (3, 27240668), (4, 20430501), (6, 13620334), (7, 11674572), (12, 6810167), (13, 6286308), (14, 5837286), (21, 3891524), (26, 3143154), (28, 2918643), (39, 2095436), (42, 1945762), (49, 1667796), (52, 1571577), (78, 1047718), (84, 972881), (91, 898044), (98, 833898), (147, 555932), (156, 523859), (182, 449022), (196, 416949), (273, 299348), (294, 277966), (364, 224511), (546, 149674), (588, 138983), (637, 128292), (1092, 74837), (1274, 64146), (1911, 42764), (2548, 32073), (3822, 21382), (7644, 10691)]