402565358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 659891232

約数和(自身を除く): 257325874

約数列:

[1, 2, 13, 26, 131, 181, 262, 362, 653, 1306, 1703, 2353, 3406, 4706, 8489, 16978, 23711, 47422, 85543, 118193, 171086, 236386, 308243, 616486, 1112059, 1536509, 2224118, 3073018, 15483283, 30966566, 201282679, 402565358]

約数ペア:

[(1, 402565358), (2, 201282679), (13, 30966566), (26, 15483283), (131, 3073018), (181, 2224118), (262, 1536509), (362, 1112059), (653, 616486), (1306, 308243), (1703, 236386), (2353, 171086), (3406, 118193), (4706, 85543), (8489, 47422), (16978, 23711)]