28428270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72893}}^1$

素因数の和:72916

約数の個数: 32

約数和(自身を含む): 73477152

約数和(自身を除く): 45048882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72893, 145786, 218679, 364465, 437358, 728930, 947609, 1093395, 1895218, 2186790, 2842827, 4738045, 5685654, 9476090, 14214135, 28428270]

約数ペア:

[(1, 28428270), (2, 14214135), (3, 9476090), (5, 5685654), (6, 4738045), (10, 2842827), (13, 2186790), (15, 1895218), (26, 1093395), (30, 947609), (39, 728930), (65, 437358), (78, 364465), (130, 218679), (195, 145786), (390, 72893)]