81591636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3361}}^1$

素因数の和:3409

約数の個数: 72

約数和(自身を含む): 231198016

約数和(自身を除く): 149606380

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 867, 1156, 1428, 1734, 2023, 3361, 3468, 4046, 6069, 6722, 8092, 10083, 12138, 13444, 20166, 23527, 24276, 40332, 47054, 57137, 70581, 94108, 114274, 141162, 171411, 228548, 282324, 342822, 399959, 685644, 799918, 971329, 1199877, 1599836, 1942658, 2399754, 2913987, 3885316, 4799508, 5827974, 6799303, 11655948, 13598606, 20397909, 27197212, 40795818, 81591636]

約数ペア:

[(1, 81591636), (2, 40795818), (3, 27197212), (4, 20397909), (6, 13598606), (7, 11655948), (12, 6799303), (14, 5827974), (17, 4799508), (21, 3885316), (28, 2913987), (34, 2399754), (42, 1942658), (51, 1599836), (68, 1199877), (84, 971329), (102, 799918), (119, 685644), (204, 399959), (238, 342822), (289, 282324), (357, 228548), (476, 171411), (578, 141162), (714, 114274), (867, 94108), (1156, 70581), (1428, 57137), (1734, 47054), (2023, 40332), (3361, 24276), (3468, 23527), (4046, 20166), (6069, 13444), (6722, 12138), (8092, 10083)]