64720496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{859}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 133406640

約数和(自身を除く): 68686144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 277, 554, 859, 1108, 1718, 2216, 3436, 4432, 4709, 6872, 9418, 13744, 14603, 18836, 29206, 37672, 58412, 75344, 116824, 233648, 237943, 475886, 951772, 1903544, 3807088, 4045031, 8090062, 16180124, 32360248, 64720496]

約数ペア:

[(1, 64720496), (2, 32360248), (4, 16180124), (8, 8090062), (16, 4045031), (17, 3807088), (34, 1903544), (68, 951772), (136, 475886), (272, 237943), (277, 233648), (554, 116824), (859, 75344), (1108, 58412), (1718, 37672), (2216, 29206), (3436, 18836), (4432, 14603), (4709, 13744), (6872, 9418)]