81868974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 190916352

約数和(自身を除く): 109047378

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 131, 187, 262, 374, 393, 557, 561, 786, 1114, 1122, 1441, 1671, 2227, 2882, 3342, 4323, 4454, 6127, 6681, 8646, 9469, 12254, 13362, 18381, 18938, 24497, 28407, 36762, 48994, 56814, 72967, 73491, 104159, 145934, 146982, 208318, 218901, 312477, 437802, 624954, 802637, 1240439, 1605274, 2407911, 2480878, 3721317, 4815822, 7442634, 13644829, 27289658, 40934487, 81868974]

約数ペア:

[(1, 81868974), (2, 40934487), (3, 27289658), (6, 13644829), (11, 7442634), (17, 4815822), (22, 3721317), (33, 2480878), (34, 2407911), (51, 1605274), (66, 1240439), (102, 802637), (131, 624954), (187, 437802), (262, 312477), (374, 218901), (393, 208318), (557, 146982), (561, 145934), (786, 104159), (1114, 73491), (1122, 72967), (1441, 56814), (1671, 48994), (2227, 36762), (2882, 28407), (3342, 24497), (4323, 18938), (4454, 18381), (6127, 13362), (6681, 12254), (8646, 9469)]