28490690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1327}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 54501120

約数和(自身を除く): 26010430

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 1327, 2147, 2654, 4294, 6635, 10735, 13270, 21470, 25213, 50426, 126065, 149951, 252130, 299902, 749755, 1499510, 2849069, 5698138, 14245345, 28490690]

約数ペア:

[(1, 28490690), (2, 14245345), (5, 5698138), (10, 2849069), (19, 1499510), (38, 749755), (95, 299902), (113, 252130), (190, 149951), (226, 126065), (565, 50426), (1130, 25213), (1327, 21470), (2147, 13270), (2654, 10735), (4294, 6635)]