15721943312

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1289}}^1\times {\mathrm{18593}}^1$

素因数の和:19931

約数の個数: 40

約数和(自身を含む): 31230110520

約数和(自身を除く): 15508167208

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1289, 2578, 5156, 10312, 18593, 20624, 37186, 52849, 74372, 105698, 148744, 211396, 297488, 422792, 762313, 845584, 1524626, 3049252, 6098504, 12197008, 23966377, 47932754, 95865508, 191731016, 383462032, 982621457, 1965242914, 3930485828, 7860971656, 15721943312]

約数ペア:

[(1, 15721943312), (2, 7860971656), (4, 3930485828), (8, 1965242914), (16, 982621457), (41, 383462032), (82, 191731016), (164, 95865508), (328, 47932754), (656, 23966377), (1289, 12197008), (2578, 6098504), (5156, 3049252), (10312, 1524626), (18593, 845584), (20624, 762313), (37186, 422792), (52849, 297488), (74372, 211396), (105698, 148744)]