39990256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{631}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 82521504

約数和(自身を除く): 42531248

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 466, 631, 932, 1262, 1864, 2524, 3728, 3961, 5048, 7922, 10096, 10727, 15844, 21454, 31688, 42908, 63376, 85816, 147023, 171632, 294046, 588092, 1176184, 2352368, 2499391, 4998782, 9997564, 19995128, 39990256]

約数ペア:

[(1, 39990256), (2, 19995128), (4, 9997564), (8, 4998782), (16, 2499391), (17, 2352368), (34, 1176184), (68, 588092), (136, 294046), (233, 171632), (272, 147023), (466, 85816), (631, 63376), (932, 42908), (1262, 31688), (1864, 21454), (2524, 15844), (3728, 10727), (3961, 10096), (5048, 7922)]