13871384065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{4027}}^1$

素因数の和:4462

約数の個数: 64

約数和(自身を含む): 21716398080

約数和(自身を除く): 7845014015

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 389, 805, 1265, 1771, 1945, 2723, 4027, 4279, 8855, 8947, 13615, 20135, 21395, 28189, 29953, 44297, 44735, 62629, 92621, 98417, 140945, 149765, 221485, 310079, 313145, 463105, 492085, 648347, 688919, 1018831, 1550395, 1566503, 3241735, 3444595, 5094155, 7131817, 7832515, 10965521, 17231533, 35659085, 36029569, 54827605, 86157665, 120620731, 180147845, 252206983, 396325259, 603103655, 1261034915, 1981626295, 2774276813, 13871384065]

約数ペア:

[(1, 13871384065), (5, 2774276813), (7, 1981626295), (11, 1261034915), (23, 603103655), (35, 396325259), (55, 252206983), (77, 180147845), (115, 120620731), (161, 86157665), (253, 54827605), (385, 36029569), (389, 35659085), (805, 17231533), (1265, 10965521), (1771, 7832515), (1945, 7131817), (2723, 5094155), (4027, 3444595), (4279, 3241735), (8855, 1566503), (8947, 1550395), (13615, 1018831), (20135, 688919), (21395, 648347), (28189, 492085), (29953, 463105), (44297, 313145), (44735, 310079), (62629, 221485), (92621, 149765), (98417, 140945)]