1550890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 3182976

約数和(自身を除く): 1632086

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 613, 1226, 1265, 2530, 3065, 6130, 6743, 13486, 14099, 28198, 33715, 67430, 70495, 140990, 155089, 310178, 775445, 1550890]

約数ペア:

[(1, 1550890), (2, 775445), (5, 310178), (10, 155089), (11, 140990), (22, 70495), (23, 67430), (46, 33715), (55, 28198), (110, 14099), (115, 13486), (230, 6743), (253, 6130), (506, 3065), (613, 2530), (1226, 1265)]