81665144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 179366400

約数和(自身を除く): 97701256

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 79, 88, 136, 158, 187, 316, 374, 632, 691, 748, 869, 1343, 1382, 1496, 1738, 2686, 2764, 3476, 5372, 5528, 6952, 7601, 10744, 11747, 14773, 15202, 23494, 29546, 30404, 46988, 54589, 59092, 60808, 93976, 109178, 118184, 129217, 218356, 258434, 436712, 516868, 600479, 928013, 1033736, 1200958, 1856026, 2401916, 3712052, 4803832, 7424104, 10208143, 20416286, 40832572, 81665144]

約数ペア:

[(1, 81665144), (2, 40832572), (4, 20416286), (8, 10208143), (11, 7424104), (17, 4803832), (22, 3712052), (34, 2401916), (44, 1856026), (68, 1200958), (79, 1033736), (88, 928013), (136, 600479), (158, 516868), (187, 436712), (316, 258434), (374, 218356), (632, 129217), (691, 118184), (748, 109178), (869, 93976), (1343, 60808), (1382, 59092), (1496, 54589), (1738, 46988), (2686, 30404), (2764, 29546), (3476, 23494), (5372, 15202), (5528, 14773), (6952, 11747), (7601, 10744)]