81145848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15581}}^1$

素因数の和:15628

約数の個数: 64

約数和(自身を含む): 239339520

約数和(自身を除く): 158193672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 5208, 15581, 31162, 46743, 62324, 93486, 109067, 124648, 186972, 218134, 327201, 373944, 436268, 483011, 654402, 872536, 966022, 1308804, 1449033, 1932044, 2617608, 2898066, 3381077, 3864088, 5796132, 6762154, 10143231, 11592264, 13524308, 20286462, 27048616, 40572924, 81145848]

約数ペア:

[(1, 81145848), (2, 40572924), (3, 27048616), (4, 20286462), (6, 13524308), (7, 11592264), (8, 10143231), (12, 6762154), (14, 5796132), (21, 3864088), (24, 3381077), (28, 2898066), (31, 2617608), (42, 1932044), (56, 1449033), (62, 1308804), (84, 966022), (93, 872536), (124, 654402), (168, 483011), (186, 436268), (217, 373944), (248, 327201), (372, 218134), (434, 186972), (651, 124648), (744, 109067), (868, 93486), (1302, 62324), (1736, 46743), (2604, 31162), (5208, 15581)]