220173928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{2753}}^1$

素因数の和:3541

約数の個数: 32

約数和(自身を含む): 445321800

約数和(自身を除く): 225147872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 769, 1538, 2753, 3076, 5506, 6152, 9997, 11012, 19994, 22024, 35789, 39988, 71578, 79976, 143156, 286312, 2117057, 4234114, 8468228, 16936456, 27521741, 55043482, 110086964, 220173928]

約数ペア:

[(1, 220173928), (2, 110086964), (4, 55043482), (8, 27521741), (13, 16936456), (26, 8468228), (52, 4234114), (104, 2117057), (769, 286312), (1538, 143156), (2753, 79976), (3076, 71578), (5506, 39988), (6152, 35789), (9997, 22024), (11012, 19994)]