72153328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{346891}}^1$

素因数の和:346912

約数の個数: 20

約数和(自身を含む): 150551128

約数和(自身を除く): 78397800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 346891, 693782, 1387564, 2775128, 4509583, 5550256, 9019166, 18038332, 36076664, 72153328]

約数ペア:

[(1, 72153328), (2, 36076664), (4, 18038332), (8, 9019166), (13, 5550256), (16, 4509583), (26, 2775128), (52, 1387564), (104, 693782), (208, 346891)]