320587072

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{385321}}^1$

素因数の和:385346

約数の個数: 28

約数和(自身を含む): 685102516

約数和(自身を除く): 364515444

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 385321, 770642, 1541284, 3082568, 5009173, 6165136, 10018346, 12330272, 20036692, 24660544, 40073384, 80146768, 160293536, 320587072]

約数ペア:

[(1, 320587072), (2, 160293536), (4, 80146768), (8, 40073384), (13, 24660544), (16, 20036692), (26, 12330272), (32, 10018346), (52, 6165136), (64, 5009173), (104, 3082568), (208, 1541284), (416, 770642), (832, 385321)]