251291248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1208131}}^1$

素因数の和:1208152

約数の個数: 20

約数和(自身を含む): 524329288

約数和(自身を除く): 273038040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1208131, 2416262, 4832524, 9665048, 15705703, 19330096, 31411406, 62822812, 125645624, 251291248]

約数ペア:

[(1, 251291248), (2, 125645624), (4, 62822812), (8, 31411406), (13, 19330096), (16, 15705703), (26, 9665048), (52, 4832524), (104, 2416262), (208, 1208131)]