157428208

素因数分解:

$2^4\times 7^1\times {\mathrm{613}}^1\times {\mathrm{2293}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 349311968

約数和(自身を除く): 191883760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 613, 1226, 2293, 2452, 4291, 4586, 4904, 8582, 9172, 9808, 16051, 17164, 18344, 32102, 34328, 36688, 64204, 68656, 128408, 256816, 1405609, 2811218, 5622436, 9839263, 11244872, 19678526, 22489744, 39357052, 78714104, 157428208]

約数ペア:

[(1, 157428208), (2, 78714104), (4, 39357052), (7, 22489744), (8, 19678526), (14, 11244872), (16, 9839263), (28, 5622436), (56, 2811218), (112, 1405609), (613, 256816), (1226, 128408), (2293, 68656), (2452, 64204), (4291, 36688), (4586, 34328), (4904, 32102), (8582, 18344), (9172, 17164), (9808, 16051)]