1728931568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1187453}}^1$

素因数の和:1187481

約数の個数: 40

約数和(自身を含む): 4122840288

約数和(自身を除く): 2393908720

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1187453, 2374906, 4749812, 8312171, 9499624, 15436889, 16624342, 18999248, 30873778, 33248684, 61747556, 66497368, 108058223, 123495112, 132994736, 216116446, 246990224, 432232892, 864465784, 1728931568]

約数ペア:

[(1, 1728931568), (2, 864465784), (4, 432232892), (7, 246990224), (8, 216116446), (13, 132994736), (14, 123495112), (16, 108058223), (26, 66497368), (28, 61747556), (52, 33248684), (56, 30873778), (91, 18999248), (104, 16624342), (112, 15436889), (182, 9499624), (208, 8312171), (364, 4749812), (728, 2374906), (1456, 1187453)]