131008976

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 80

約数和(自身を含む): 303313920

約数和(自身を除く): 172304944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 97, 112, 124, 194, 217, 248, 388, 389, 434, 496, 679, 776, 778, 868, 1358, 1552, 1556, 1736, 2716, 2723, 3007, 3112, 3472, 5432, 5446, 6014, 6224, 10864, 10892, 12028, 12059, 21049, 21784, 24056, 24118, 37733, 42098, 43568, 48112, 48236, 75466, 84196, 84413, 96472, 150932, 168392, 168826, 192944, 264131, 301864, 336784, 337652, 528262, 603728, 675304, 1056524, 1169723, 1350608, 2113048, 2339446, 4226096, 4678892, 8188061, 9357784, 16376122, 18715568, 32752244, 65504488, 131008976]

約数ペア:

[(1, 131008976), (2, 65504488), (4, 32752244), (7, 18715568), (8, 16376122), (14, 9357784), (16, 8188061), (28, 4678892), (31, 4226096), (56, 2339446), (62, 2113048), (97, 1350608), (112, 1169723), (124, 1056524), (194, 675304), (217, 603728), (248, 528262), (388, 337652), (389, 336784), (434, 301864), (496, 264131), (679, 192944), (776, 168826), (778, 168392), (868, 150932), (1358, 96472), (1552, 84413), (1556, 84196), (1736, 75466), (2716, 48236), (2723, 48112), (3007, 43568), (3112, 42098), (3472, 37733), (5432, 24118), (5446, 24056), (6014, 21784), (6224, 21049), (10864, 12059), (10892, 12028)]