31997706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 42392694

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 59, 78, 102, 118, 177, 221, 354, 409, 442, 663, 767, 818, 1003, 1227, 1326, 1534, 2006, 2301, 2454, 3009, 4602, 5317, 6018, 6953, 10634, 13039, 13906, 15951, 20859, 24131, 26078, 31902, 39117, 41718, 48262, 72393, 78234, 90389, 144786, 180778, 271167, 313703, 410227, 542334, 627406, 820454, 941109, 1230681, 1882218, 2461362, 5332951, 10665902, 15998853, 31997706]

約数ペア:

[(1, 31997706), (2, 15998853), (3, 10665902), (6, 5332951), (13, 2461362), (17, 1882218), (26, 1230681), (34, 941109), (39, 820454), (51, 627406), (59, 542334), (78, 410227), (102, 313703), (118, 271167), (177, 180778), (221, 144786), (354, 90389), (409, 78234), (442, 72393), (663, 48262), (767, 41718), (818, 39117), (1003, 31902), (1227, 26078), (1326, 24131), (1534, 20859), (2006, 15951), (2301, 13906), (2454, 13039), (3009, 10634), (4602, 6953), (5317, 6018)]