202604815

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 291133440

約数和(自身を除く): 88528625

約数列:

[1, 5, 7, 23, 35, 115, 161, 389, 647, 805, 1945, 2723, 3235, 4529, 8947, 13615, 14881, 22645, 44735, 62629, 74405, 104167, 251683, 313145, 520835, 1258415, 1761781, 5788709, 8808905, 28943545, 40520963, 202604815]

約数ペア:

[(1, 202604815), (5, 40520963), (7, 28943545), (23, 8808905), (35, 5788709), (115, 1761781), (161, 1258415), (389, 520835), (647, 313145), (805, 251683), (1945, 104167), (2723, 74405), (3235, 62629), (4529, 44735), (8947, 22645), (13615, 14881)]