81858384

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10009

約数の個数: 80

約数和(自身を含む): 247355200

約数和(自身を除く): 165496816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2736, 4104, 8208, 9973, 19946, 29919, 39892, 59838, 79784, 89757, 119676, 159568, 179514, 189487, 239352, 269271, 359028, 378974, 478704, 538542, 568461, 718056, 757948, 1077084, 1136922, 1436112, 1515896, 1705383, 2154168, 2273844, 3031792, 3410766, 4308336, 4547688, 5116149, 6821532, 9095376, 10232298, 13643064, 20464596, 27286128, 40929192, 81858384]

約数ペア:

[(1, 81858384), (2, 40929192), (3, 27286128), (4, 20464596), (6, 13643064), (8, 10232298), (9, 9095376), (12, 6821532), (16, 5116149), (18, 4547688), (19, 4308336), (24, 3410766), (27, 3031792), (36, 2273844), (38, 2154168), (48, 1705383), (54, 1515896), (57, 1436112), (72, 1136922), (76, 1077084), (108, 757948), (114, 718056), (144, 568461), (152, 538542), (171, 478704), (216, 378974), (228, 359028), (304, 269271), (342, 239352), (432, 189487), (456, 179514), (513, 159568), (684, 119676), (912, 89757), (1026, 79784), (1368, 59838), (2052, 39892), (2736, 29919), (4104, 19946), (8208, 9973)]