1296756688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{9629}}^1$

素因数の和:10099

約数の個数: 40

約数和(自身を含む): 2650946400

約数和(自身を除く): 1354189712

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 443, 886, 1772, 3544, 7088, 8417, 9629, 16834, 19258, 33668, 38516, 67336, 77032, 134672, 154064, 182951, 365902, 731804, 1463608, 2927216, 4265647, 8531294, 17062588, 34125176, 68250352, 81047293, 162094586, 324189172, 648378344, 1296756688]

約数ペア:

[(1, 1296756688), (2, 648378344), (4, 324189172), (8, 162094586), (16, 81047293), (19, 68250352), (38, 34125176), (76, 17062588), (152, 8531294), (304, 4265647), (443, 2927216), (886, 1463608), (1772, 731804), (3544, 365902), (7088, 182951), (8417, 154064), (9629, 134672), (16834, 77032), (19258, 67336), (33668, 38516)]