388640356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{16871}}^1$

素因数の和:17331

約数の個数: 24

約数和(自身を含む): 734134464

約数和(自身を除く): 345494108

約数列:

[1, 2, 4, 13, 26, 52, 443, 886, 1772, 5759, 11518, 16871, 23036, 33742, 67484, 219323, 438646, 877292, 7473853, 14947706, 29895412, 97160089, 194320178, 388640356]

約数ペア:

[(1, 388640356), (2, 194320178), (4, 97160089), (13, 29895412), (26, 14947706), (52, 7473853), (443, 877292), (886, 438646), (1772, 219323), (5759, 67484), (11518, 33742), (16871, 23036)]