216504575

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 326258880

約数和(自身を除く): 109754305

約数列:

[1, 5, 7, 25, 29, 35, 37, 145, 175, 185, 203, 259, 725, 925, 1015, 1073, 1153, 1295, 5075, 5365, 5765, 6475, 7511, 8071, 26825, 28825, 33437, 37555, 40355, 42661, 167185, 187775, 201775, 213305, 234059, 298627, 835925, 1066525, 1170295, 1237169, 1493135, 5851475, 6185845, 7465675, 8660183, 30929225, 43300915, 216504575]

約数ペア:

[(1, 216504575), (5, 43300915), (7, 30929225), (25, 8660183), (29, 7465675), (35, 6185845), (37, 5851475), (145, 1493135), (175, 1237169), (185, 1170295), (203, 1066525), (259, 835925), (725, 298627), (925, 234059), (1015, 213305), (1073, 201775), (1153, 187775), (1295, 167185), (5075, 42661), (5365, 40355), (5765, 37555), (6475, 33437), (7511, 28825), (8071, 26825)]