28761212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 56881440

約数和(自身を除く): 28120228

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 113, 197, 226, 323, 394, 452, 646, 788, 1292, 1921, 2147, 3349, 3743, 3842, 4294, 6698, 7486, 7684, 8588, 13396, 14972, 22261, 36499, 44522, 63631, 72998, 89044, 127262, 145996, 254524, 378437, 422959, 756874, 845918, 1513748, 1691836, 7190303, 14380606, 28761212]

約数ペア:

[(1, 28761212), (2, 14380606), (4, 7190303), (17, 1691836), (19, 1513748), (34, 845918), (38, 756874), (68, 422959), (76, 378437), (113, 254524), (197, 145996), (226, 127262), (323, 89044), (394, 72998), (452, 63631), (646, 44522), (788, 36499), (1292, 22261), (1921, 14972), (2147, 13396), (3349, 8588), (3743, 7684), (3842, 7486), (4294, 6698)]