81995868

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 231168000

約数和(自身を除く): 149172132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 93, 108, 114, 124, 171, 186, 228, 279, 342, 372, 513, 558, 589, 684, 837, 1026, 1116, 1178, 1289, 1674, 1767, 2052, 2356, 2578, 3348, 3534, 3867, 5156, 5301, 7068, 7734, 10602, 11601, 15468, 15903, 21204, 23202, 24491, 31806, 34803, 39959, 46404, 48982, 63612, 69606, 73473, 79918, 97964, 119877, 139212, 146946, 159836, 220419, 239754, 293892, 359631, 440838, 479508, 661257, 719262, 759221, 881676, 1078893, 1322514, 1438524, 1518442, 2157786, 2277663, 2645028, 3036884, 4315572, 4555326, 6832989, 9110652, 13665978, 20498967, 27331956, 40997934, 81995868]

約数ペア:

[(1, 81995868), (2, 40997934), (3, 27331956), (4, 20498967), (6, 13665978), (9, 9110652), (12, 6832989), (18, 4555326), (19, 4315572), (27, 3036884), (31, 2645028), (36, 2277663), (38, 2157786), (54, 1518442), (57, 1438524), (62, 1322514), (76, 1078893), (93, 881676), (108, 759221), (114, 719262), (124, 661257), (171, 479508), (186, 440838), (228, 359631), (279, 293892), (342, 239754), (372, 220419), (513, 159836), (558, 146946), (589, 139212), (684, 119877), (837, 97964), (1026, 79918), (1116, 73473), (1178, 69606), (1289, 63612), (1674, 48982), (1767, 46404), (2052, 39959), (2356, 34803), (2578, 31806), (3348, 24491), (3534, 23202), (3867, 21204), (5156, 15903), (5301, 15468), (7068, 11601), (7734, 10602)]