2131688144

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{676297}}^1$

素因数の和:676502

約数の個数: 20

約数和(自身を含む): 4151117124

約数和(自身を除く): 2019428980

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 676297, 1352594, 2705188, 5410376, 10820752, 133230509, 266461018, 532922036, 1065844072, 2131688144]

約数ペア:

[(1, 2131688144), (2, 1065844072), (4, 532922036), (8, 266461018), (16, 133230509), (197, 10820752), (394, 5410376), (788, 2705188), (1576, 1352594), (3152, 676297)]