81307264

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{15493}}^1$

素因数の和:15548

約数の個数: 32

約数和(自身を含む): 165940740

約数和(自身を除く): 84633476

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 15493, 30986, 61972, 123944, 247888, 495776, 635213, 991552, 1270426, 1983104, 2540852, 5081704, 10163408, 20326816, 40653632, 81307264]

約数ペア:

[(1, 81307264), (2, 40653632), (4, 20326816), (8, 10163408), (16, 5081704), (32, 2540852), (41, 1983104), (64, 1270426), (82, 991552), (128, 635213), (164, 495776), (328, 247888), (656, 123944), (1312, 61972), (2624, 30986), (5248, 15493)]