1297788128

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63667}}^1$

素因数の和:63704

約数の個数: 72

約数和(自身を含む): 3200845032

約数和(自身を除く): 1903056904

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 20384, 63667, 127334, 254668, 445669, 509336, 827671, 891338, 1018672, 1655342, 1782676, 2037344, 3119683, 3310684, 3565352, 5793697, 6239366, 6621368, 7130704, 11587394, 12478732, 13242736, 14261408, 23174788, 24957464, 26485472, 40555879, 46349576, 49914928, 81111758, 92699152, 99829856, 162223516, 185398304, 324447032, 648894064, 1297788128]

約数ペア:

[(1, 1297788128), (2, 648894064), (4, 324447032), (7, 185398304), (8, 162223516), (13, 99829856), (14, 92699152), (16, 81111758), (26, 49914928), (28, 46349576), (32, 40555879), (49, 26485472), (52, 24957464), (56, 23174788), (91, 14261408), (98, 13242736), (104, 12478732), (112, 11587394), (182, 7130704), (196, 6621368), (208, 6239366), (224, 5793697), (364, 3565352), (392, 3310684), (416, 3119683), (637, 2037344), (728, 1782676), (784, 1655342), (1274, 1018672), (1456, 891338), (1568, 827671), (2548, 509336), (2912, 445669), (5096, 254668), (10192, 127334), (20384, 63667)]