685232215

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 908441856

約数和(自身を除く): 223209641

約数列:

[1, 5, 23, 31, 61, 115, 137, 155, 305, 529, 685, 713, 1403, 1891, 2645, 3151, 3565, 4247, 7015, 8357, 9455, 15755, 16399, 21235, 32269, 41785, 43493, 72473, 81995, 97681, 161345, 192211, 217465, 259067, 362365, 488405, 961055, 1000339, 1295335, 2246663, 4420853, 5001695, 5958541, 11233315, 22104265, 29792705, 137046443, 685232215]

約数ペア:

[(1, 685232215), (5, 137046443), (23, 29792705), (31, 22104265), (61, 11233315), (115, 5958541), (137, 5001695), (155, 4420853), (305, 2246663), (529, 1295335), (685, 1000339), (713, 961055), (1403, 488405), (1891, 362365), (2645, 259067), (3151, 217465), (3565, 192211), (4247, 161345), (7015, 97681), (8357, 81995), (9455, 72473), (15755, 43493), (16399, 41785), (21235, 32269)]