127968016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1493}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 271214784

約数和(自身を除く): 143246768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 487, 974, 1493, 1948, 2986, 3896, 5357, 5972, 7792, 10714, 11944, 16423, 21428, 23888, 32846, 42856, 65692, 85712, 131384, 262768, 727091, 1454182, 2908364, 5816728, 7998001, 11633456, 15996002, 31992004, 63984008, 127968016]

約数ペア:

[(1, 127968016), (2, 63984008), (4, 31992004), (8, 15996002), (11, 11633456), (16, 7998001), (22, 5816728), (44, 2908364), (88, 1454182), (176, 727091), (487, 262768), (974, 131384), (1493, 85712), (1948, 65692), (2986, 42856), (3896, 32846), (5357, 23888), (5972, 21428), (7792, 16423), (10714, 11944)]