81865021812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1\times {\mathrm{15889}}^1$

素因数の和:16725

約数の個数: 96

約数和(自身を含む): 221249817600

約数和(自身を除く): 139384795788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 739, 996, 1162, 1478, 1743, 2217, 2324, 2956, 3486, 4434, 5173, 6972, 8868, 10346, 15519, 15889, 20692, 31038, 31778, 47667, 61337, 62076, 63556, 95334, 111223, 122674, 184011, 190668, 222446, 245348, 333669, 368022, 429359, 444892, 667338, 736044, 858718, 1288077, 1318787, 1334676, 1717436, 2576154, 2637574, 3956361, 5152308, 5275148, 7912722, 9231509, 11741971, 15825444, 18463018, 23483942, 27694527, 35225913, 36926036, 46967884, 55389054, 70451826, 82193797, 110778108, 140903652, 164387594, 246581391, 328775188, 493162782, 974583593, 986325564, 1949167186, 2923750779, 3898334372, 5847501558, 6822085151, 11695003116, 13644170302, 20466255453, 27288340604, 40932510906, 81865021812]

約数ペア:

[(1, 81865021812), (2, 40932510906), (3, 27288340604), (4, 20466255453), (6, 13644170302), (7, 11695003116), (12, 6822085151), (14, 5847501558), (21, 3898334372), (28, 2923750779), (42, 1949167186), (83, 986325564), (84, 974583593), (166, 493162782), (249, 328775188), (332, 246581391), (498, 164387594), (581, 140903652), (739, 110778108), (996, 82193797), (1162, 70451826), (1478, 55389054), (1743, 46967884), (2217, 36926036), (2324, 35225913), (2956, 27694527), (3486, 23483942), (4434, 18463018), (5173, 15825444), (6972, 11741971), (8868, 9231509), (10346, 7912722), (15519, 5275148), (15889, 5152308), (20692, 3956361), (31038, 2637574), (31778, 2576154), (47667, 1717436), (61337, 1334676), (62076, 1318787), (63556, 1288077), (95334, 858718), (111223, 736044), (122674, 667338), (184011, 444892), (190668, 429359), (222446, 368022), (245348, 333669)]