1897971992

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{3559}}^1$

素因数の和:3768

約数の個数: 64

約数和(自身を含む): 4152384000

約数和(自身を除く): 2254412008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 107, 178, 214, 356, 428, 623, 712, 749, 856, 1246, 1498, 2492, 2996, 3559, 4984, 5992, 7118, 9523, 14236, 19046, 24913, 28472, 38092, 49826, 66661, 76184, 99652, 133322, 199304, 266644, 316751, 380813, 533288, 633502, 761626, 1267004, 1523252, 2217257, 2534008, 2665691, 3046504, 4434514, 5331382, 8869028, 10662764, 17738056, 21325528, 33892357, 67784714, 135569428, 237246499, 271138856, 474492998, 948985996, 1897971992]

約数ペア:

[(1, 1897971992), (2, 948985996), (4, 474492998), (7, 271138856), (8, 237246499), (14, 135569428), (28, 67784714), (56, 33892357), (89, 21325528), (107, 17738056), (178, 10662764), (214, 8869028), (356, 5331382), (428, 4434514), (623, 3046504), (712, 2665691), (749, 2534008), (856, 2217257), (1246, 1523252), (1498, 1267004), (2492, 761626), (2996, 633502), (3559, 533288), (4984, 380813), (5992, 316751), (7118, 266644), (9523, 199304), (14236, 133322), (19046, 99652), (24913, 76184), (28472, 66661), (38092, 49826)]