221269716

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 570908520

約数和(自身を除く): 349638804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 269, 292, 313, 438, 538, 626, 657, 807, 876, 939, 1076, 1252, 1314, 1614, 1878, 2421, 2628, 2817, 3228, 3756, 4842, 5634, 9684, 11268, 19637, 22849, 39274, 45698, 58911, 68547, 78548, 84197, 91396, 117822, 137094, 168394, 176733, 205641, 235644, 252591, 274188, 336788, 353466, 411282, 505182, 706932, 757773, 822564, 1010364, 1515546, 3031092, 6146381, 12292762, 18439143, 24585524, 36878286, 55317429, 73756572, 110634858, 221269716]

約数ペア:

[(1, 221269716), (2, 110634858), (3, 73756572), (4, 55317429), (6, 36878286), (9, 24585524), (12, 18439143), (18, 12292762), (36, 6146381), (73, 3031092), (146, 1515546), (219, 1010364), (269, 822564), (292, 757773), (313, 706932), (438, 505182), (538, 411282), (626, 353466), (657, 336788), (807, 274188), (876, 252591), (939, 235644), (1076, 205641), (1252, 176733), (1314, 168394), (1614, 137094), (1878, 117822), (2421, 91396), (2628, 84197), (2817, 78548), (3228, 68547), (3756, 58911), (4842, 45698), (5634, 39274), (9684, 22849), (11268, 19637)]