81268872

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 211766400

約数和(自身を除く): 130497528

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 71, 74, 111, 142, 148, 213, 222, 284, 296, 426, 444, 568, 852, 888, 1289, 1704, 2578, 2627, 3867, 5156, 5254, 7734, 7881, 10312, 10508, 15468, 15762, 21016, 30936, 31524, 47693, 63048, 91519, 95386, 143079, 183038, 190772, 274557, 286158, 366076, 381544, 549114, 572316, 732152, 1098228, 1144632, 2196456, 3386203, 6772406, 10158609, 13544812, 20317218, 27089624, 40634436, 81268872]

約数ペア:

[(1, 81268872), (2, 40634436), (3, 27089624), (4, 20317218), (6, 13544812), (8, 10158609), (12, 6772406), (24, 3386203), (37, 2196456), (71, 1144632), (74, 1098228), (111, 732152), (142, 572316), (148, 549114), (213, 381544), (222, 366076), (284, 286158), (296, 274557), (426, 190772), (444, 183038), (568, 143079), (852, 95386), (888, 91519), (1289, 63048), (1704, 47693), (2578, 31524), (2627, 30936), (3867, 21016), (5156, 15762), (5254, 15468), (7734, 10508), (7881, 10312)]