9978889328

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{241643}}^1$

素因数の和:241769

約数の個数: 40

約数和(自身を含む): 20225602800

約数和(自身を除く): 10246713472

約数列:

[1, 2, 4, 8, 16, 29, 58, 89, 116, 178, 232, 356, 464, 712, 1424, 2581, 5162, 10324, 20648, 41296, 241643, 483286, 966572, 1933144, 3866288, 7007647, 14015294, 21506227, 28030588, 43012454, 56061176, 86024908, 112122352, 172049816, 344099632, 623680583, 1247361166, 2494722332, 4989444664, 9978889328]

約数ペア:

[(1, 9978889328), (2, 4989444664), (4, 2494722332), (8, 1247361166), (16, 623680583), (29, 344099632), (58, 172049816), (89, 112122352), (116, 86024908), (178, 56061176), (232, 43012454), (356, 28030588), (464, 21506227), (712, 14015294), (1424, 7007647), (2581, 3866288), (5162, 1933144), (10324, 966572), (20648, 483286), (41296, 241643)]