215697215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 286848000

約数和(自身を除く): 71150785

約数列:

[1, 5, 19, 29, 59, 95, 145, 295, 551, 1121, 1327, 1711, 2755, 5605, 6635, 8555, 25213, 32509, 38483, 78293, 126065, 162545, 192415, 391465, 731177, 1487567, 2270497, 3655885, 7437835, 11352485, 43139443, 215697215]

約数ペア:

[(1, 215697215), (5, 43139443), (19, 11352485), (29, 7437835), (59, 3655885), (95, 2270497), (145, 1487567), (295, 731177), (551, 391465), (1121, 192415), (1327, 162545), (1711, 126065), (2755, 78293), (5605, 38483), (6635, 32509), (8555, 25213)]