235992016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1987}}^1$

素因数の和:2579

約数の個数: 40

約数和(自身を含む): 493517024

約数和(自身を除く): 257525008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 571, 1142, 1987, 2284, 3974, 4568, 7423, 7948, 9136, 14846, 15896, 25831, 29692, 31792, 51662, 59384, 103324, 118768, 206648, 413296, 1134577, 2269154, 4538308, 9076616, 14749501, 18153232, 29499002, 58998004, 117996008, 235992016]

約数ペア:

[(1, 235992016), (2, 117996008), (4, 58998004), (8, 29499002), (13, 18153232), (16, 14749501), (26, 9076616), (52, 4538308), (104, 2269154), (208, 1134577), (571, 413296), (1142, 206648), (1987, 118768), (2284, 103324), (3974, 59384), (4568, 51662), (7423, 31792), (7948, 29692), (9136, 25831), (14846, 15896)]