1991569161610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{636217}}^1$

素因数の和:636655

約数の個数: 64

約数和(自身を含む): 4135885256448

約数和(自身を除く): 2144316094838

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 227, 394, 454, 985, 1135, 1379, 1589, 1970, 2270, 2758, 3178, 6895, 7945, 13790, 15890, 44719, 89438, 223595, 313033, 447190, 626066, 636217, 1272434, 1565165, 3130330, 3181085, 4453519, 6362170, 8907038, 22267595, 44535190, 125334749, 144421259, 250669498, 288842518, 626673745, 722106295, 877343243, 1010948813, 1253347490, 1444212590, 1754686486, 2021897626, 4386716215, 5054744065, 8773432430, 10109488130, 28450988023, 56901976046, 142254940115, 199156916161, 284509880230, 398313832322, 995784580805, 1991569161610]

約数ペア:

[(1, 1991569161610), (2, 995784580805), (5, 398313832322), (7, 284509880230), (10, 199156916161), (14, 142254940115), (35, 56901976046), (70, 28450988023), (197, 10109488130), (227, 8773432430), (394, 5054744065), (454, 4386716215), (985, 2021897626), (1135, 1754686486), (1379, 1444212590), (1589, 1253347490), (1970, 1010948813), (2270, 877343243), (2758, 722106295), (3178, 626673745), (6895, 288842518), (7945, 250669498), (13790, 144421259), (15890, 125334749), (44719, 44535190), (89438, 22267595), (223595, 8907038), (313033, 6362170), (447190, 4453519), (626066, 3181085), (636217, 3130330), (1272434, 1565165)]