72403888

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{54521}}^1$

素因数の和:54612

約数の個数: 20

約数和(自身を含む): 141975288

約数和(自身を除く): 69571400

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 54521, 109042, 218084, 436168, 872336, 4525243, 9050486, 18100972, 36201944, 72403888]

約数ペア:

[(1, 72403888), (2, 36201944), (4, 18100972), (8, 9050486), (16, 4525243), (83, 872336), (166, 436168), (332, 218084), (664, 109042), (1328, 54521)]