328184740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1933}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 743723568

約数和(自身を除く): 415538828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653, 1306, 1933, 2612, 3265, 3866, 6530, 7732, 8489, 9665, 13060, 16978, 19330, 25129, 33956, 38660, 42445, 50258, 84890, 100516, 125645, 169780, 251290, 502580, 1262249, 2524498, 5048996, 6311245, 12622490, 16409237, 25244980, 32818474, 65636948, 82046185, 164092370, 328184740]

約数ペア:

[(1, 328184740), (2, 164092370), (4, 82046185), (5, 65636948), (10, 32818474), (13, 25244980), (20, 16409237), (26, 12622490), (52, 6311245), (65, 5048996), (130, 2524498), (260, 1262249), (653, 502580), (1306, 251290), (1933, 169780), (2612, 125645), (3265, 100516), (3866, 84890), (6530, 50258), (7732, 42445), (8489, 38660), (9665, 33956), (13060, 25129), (16978, 19330)]