1640927215

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2333}}^1$

素因数の和:2499

約数の個数: 32

約数和(自身を含む): 2089172736

約数和(自身を除く): 448245521

約数列:

[1, 5, 41, 47, 73, 205, 235, 365, 1927, 2333, 2993, 3431, 9635, 11665, 14965, 17155, 95653, 109651, 140671, 170309, 478265, 548255, 703355, 851545, 4495691, 6982669, 8004523, 22478455, 34913345, 40022615, 328185443, 1640927215]

約数ペア:

[(1, 1640927215), (5, 328185443), (41, 40022615), (47, 34913345), (73, 22478455), (205, 8004523), (235, 6982669), (365, 4495691), (1927, 851545), (2333, 703355), (2993, 548255), (3431, 478265), (9635, 170309), (11665, 140671), (14965, 109651), (17155, 95653)]