28357196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 60264960

約数和(自身を除く): 31907764

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 266, 302, 353, 532, 604, 706, 1057, 1412, 2114, 2471, 2869, 4228, 4942, 5738, 6707, 9884, 11476, 13414, 20083, 26828, 40166, 46949, 53303, 80332, 93898, 106606, 187796, 213212, 373121, 746242, 1012757, 1492484, 2025514, 4051028, 7089299, 14178598, 28357196]

約数ペア:

[(1, 28357196), (2, 14178598), (4, 7089299), (7, 4051028), (14, 2025514), (19, 1492484), (28, 1012757), (38, 746242), (76, 373121), (133, 213212), (151, 187796), (266, 106606), (302, 93898), (353, 80332), (532, 53303), (604, 46949), (706, 40166), (1057, 26828), (1412, 20083), (2114, 13414), (2471, 11476), (2869, 9884), (4228, 6707), (4942, 5738)]