9879890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{653}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 19070640

約数和(自身を除く): 9190750

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 653, 890, 1306, 1513, 3026, 3265, 6530, 7565, 11101, 15130, 22202, 55505, 58117, 111010, 116234, 290585, 581170, 987989, 1975978, 4939945, 9879890]

約数ペア:

[(1, 9879890), (2, 4939945), (5, 1975978), (10, 987989), (17, 581170), (34, 290585), (85, 116234), (89, 111010), (170, 58117), (178, 55505), (445, 22202), (653, 15130), (890, 11101), (1306, 7565), (1513, 6530), (3026, 3265)]