31630212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 85044960

約数和(自身を除く): 53414748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 131, 171, 228, 262, 342, 353, 393, 524, 684, 706, 786, 1059, 1179, 1412, 1572, 2118, 2358, 2489, 3177, 4236, 4716, 4978, 6354, 6707, 7467, 9956, 12708, 13414, 14934, 20121, 22401, 26828, 29868, 40242, 44802, 46243, 60363, 80484, 89604, 92486, 120726, 138729, 184972, 241452, 277458, 416187, 554916, 832374, 878617, 1664748, 1757234, 2635851, 3514468, 5271702, 7907553, 10543404, 15815106, 31630212]

約数ペア:

[(1, 31630212), (2, 15815106), (3, 10543404), (4, 7907553), (6, 5271702), (9, 3514468), (12, 2635851), (18, 1757234), (19, 1664748), (36, 878617), (38, 832374), (57, 554916), (76, 416187), (114, 277458), (131, 241452), (171, 184972), (228, 138729), (262, 120726), (342, 92486), (353, 89604), (393, 80484), (524, 60363), (684, 46243), (706, 44802), (786, 40242), (1059, 29868), (1179, 26828), (1412, 22401), (1572, 20121), (2118, 14934), (2358, 13414), (2489, 12708), (3177, 9956), (4236, 7467), (4716, 6707), (4978, 6354)]