209440945

素因数分解:

$5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 296352000

約数和(自身を除く): 86911055

約数列:

[1, 5, 7, 35, 49, 97, 245, 343, 485, 679, 1259, 1715, 3395, 4753, 6295, 8813, 23765, 33271, 44065, 61691, 122123, 166355, 308455, 431837, 610615, 854861, 2159185, 4274305, 5984027, 29920135, 41888189, 209440945]

約数ペア:

[(1, 209440945), (5, 41888189), (7, 29920135), (35, 5984027), (49, 4274305), (97, 2159185), (245, 854861), (343, 610615), (485, 431837), (679, 308455), (1259, 166355), (1715, 122123), (3395, 61691), (4753, 44065), (6295, 33271), (8813, 23765)]