290001608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{17761}}^1$

素因数の和:17937

約数の個数: 32

約数和(自身を含む): 589343160

約数和(自身を除く): 299341552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 16328, 17761, 35522, 71044, 142088, 230893, 461786, 923572, 1847144, 2788477, 5576954, 11153908, 22307816, 36250201, 72500402, 145000804, 290001608]

約数ペア:

[(1, 290001608), (2, 145000804), (4, 72500402), (8, 36250201), (13, 22307816), (26, 11153908), (52, 5576954), (104, 2788477), (157, 1847144), (314, 923572), (628, 461786), (1256, 230893), (2041, 142088), (4082, 71044), (8164, 35522), (16328, 17761)]