643769568

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{171947}}^1$

素因数の和:171976

約数の個数: 72

約数和(自身を含む): 1971555768

約数和(自身を除く): 1327786200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 171947, 343894, 515841, 687788, 1031682, 1375576, 1547523, 2063364, 2235311, 2751152, 3095046, 4126728, 4470622, 5502304, 6190092, 6705933, 8253456, 8941244, 12380184, 13411866, 16506912, 17882488, 20117799, 24760368, 26823732, 35764976, 40235598, 49520736, 53647464, 71529952, 80471196, 107294928, 160942392, 214589856, 321884784, 643769568]

約数ペア:

[(1, 643769568), (2, 321884784), (3, 214589856), (4, 160942392), (6, 107294928), (8, 80471196), (9, 71529952), (12, 53647464), (13, 49520736), (16, 40235598), (18, 35764976), (24, 26823732), (26, 24760368), (32, 20117799), (36, 17882488), (39, 16506912), (48, 13411866), (52, 12380184), (72, 8941244), (78, 8253456), (96, 6705933), (104, 6190092), (117, 5502304), (144, 4470622), (156, 4126728), (208, 3095046), (234, 2751152), (288, 2235311), (312, 2063364), (416, 1547523), (468, 1375576), (624, 1031682), (936, 687788), (1248, 515841), (1872, 343894), (3744, 171947)]