71784972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2243}}^1$

素因数の和:2387

約数の個数: 72

約数和(自身を含む): 209104896

約数和(自身を除く): 137319924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2243, 2286, 2667, 3556, 4486, 4572, 5334, 6729, 8001, 8972, 10668, 13458, 15701, 16002, 20187, 26916, 31402, 32004, 40374, 47103, 62804, 80748, 94206, 141309, 188412, 282618, 284861, 565236, 569722, 854583, 1139444, 1709166, 1994027, 2563749, 3418332, 3988054, 5127498, 5982081, 7976108, 10254996, 11964162, 17946243, 23928324, 35892486, 71784972]

約数ペア:

[(1, 71784972), (2, 35892486), (3, 23928324), (4, 17946243), (6, 11964162), (7, 10254996), (9, 7976108), (12, 5982081), (14, 5127498), (18, 3988054), (21, 3418332), (28, 2563749), (36, 1994027), (42, 1709166), (63, 1139444), (84, 854583), (126, 569722), (127, 565236), (252, 284861), (254, 282618), (381, 188412), (508, 141309), (762, 94206), (889, 80748), (1143, 62804), (1524, 47103), (1778, 40374), (2243, 32004), (2286, 31402), (2667, 26916), (3556, 20187), (4486, 16002), (4572, 15701), (5334, 13458), (6729, 10668), (8001, 8972)]