81315528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3533}}^1$

素因数の和:3686

約数の個数: 64

約数和(自身を含む): 234092160

約数和(自身を除く): 152776632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 959, 1096, 1644, 1918, 2877, 3288, 3533, 3836, 5754, 7066, 7672, 10599, 11508, 14132, 21198, 23016, 24731, 28264, 42396, 49462, 74193, 84792, 98924, 148386, 197848, 296772, 484021, 593544, 968042, 1452063, 1936084, 2904126, 3388147, 3872168, 5808252, 6776294, 10164441, 11616504, 13552588, 20328882, 27105176, 40657764, 81315528]

約数ペア:

[(1, 81315528), (2, 40657764), (3, 27105176), (4, 20328882), (6, 13552588), (7, 11616504), (8, 10164441), (12, 6776294), (14, 5808252), (21, 3872168), (24, 3388147), (28, 2904126), (42, 1936084), (56, 1452063), (84, 968042), (137, 593544), (168, 484021), (274, 296772), (411, 197848), (548, 148386), (822, 98924), (959, 84792), (1096, 74193), (1644, 49462), (1918, 42396), (2877, 28264), (3288, 24731), (3533, 23016), (3836, 21198), (5754, 14132), (7066, 11508), (7672, 10599)]