1813413716

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 3306589440

約数和(自身を除く): 1493175724

約数列:

[1, 2, 4, 43, 79, 86, 158, 172, 316, 317, 421, 634, 842, 1268, 1684, 3397, 6794, 13588, 13631, 18103, 25043, 27262, 33259, 36206, 50086, 54524, 66518, 72412, 100172, 133036, 133457, 266914, 533828, 1076849, 1430137, 2153698, 2860274, 4307396, 5720548, 5738651, 10543103, 11477302, 21086206, 22954604, 42172412, 453353429, 906706858, 1813413716]

約数ペア:

[(1, 1813413716), (2, 906706858), (4, 453353429), (43, 42172412), (79, 22954604), (86, 21086206), (158, 11477302), (172, 10543103), (316, 5738651), (317, 5720548), (421, 4307396), (634, 2860274), (842, 2153698), (1268, 1430137), (1684, 1076849), (3397, 533828), (6794, 266914), (13588, 133457), (13631, 133036), (18103, 100172), (25043, 72412), (27262, 66518), (33259, 54524), (36206, 50086)]