991693968

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{666461}}^1$

素因数の和:666503

約数の個数: 40

約数和(自身を含む): 2644521216

約数和(自身を除く): 1652827248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 666461, 1332922, 1999383, 2665844, 3998766, 5331688, 7997532, 10663376, 15995064, 20660291, 31990128, 41320582, 61980873, 82641164, 123961746, 165282328, 247923492, 330564656, 495846984, 991693968]

約数ペア:

[(1, 991693968), (2, 495846984), (3, 330564656), (4, 247923492), (6, 165282328), (8, 123961746), (12, 82641164), (16, 61980873), (24, 41320582), (31, 31990128), (48, 20660291), (62, 15995064), (93, 10663376), (124, 7997532), (186, 5331688), (248, 3998766), (372, 2665844), (496, 1999383), (744, 1332922), (1488, 666461)]