28321384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38903}}^1$

素因数の和:38929

約数の個数: 32

約数和(自身を含む): 65358720

約数和(自身を除く): 37037336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38903, 77806, 155612, 272321, 311224, 505739, 544642, 1011478, 1089284, 2022956, 2178568, 3540173, 4045912, 7080346, 14160692, 28321384]

約数ペア:

[(1, 28321384), (2, 14160692), (4, 7080346), (7, 4045912), (8, 3540173), (13, 2178568), (14, 2022956), (26, 1089284), (28, 1011478), (52, 544642), (56, 505739), (91, 311224), (104, 272321), (182, 155612), (364, 77806), (728, 38903)]