28988570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 59884920

約数和(自身を除く): 30896350

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1009, 1105, 1690, 2018, 2210, 2873, 5045, 5746, 10090, 13117, 14365, 17153, 26234, 28730, 34306, 65585, 85765, 131170, 170521, 171530, 222989, 341042, 445978, 852605, 1114945, 1705210, 2229890, 2898857, 5797714, 14494285, 28988570]

約数ペア:

[(1, 28988570), (2, 14494285), (5, 5797714), (10, 2898857), (13, 2229890), (17, 1705210), (26, 1114945), (34, 852605), (65, 445978), (85, 341042), (130, 222989), (169, 171530), (170, 170521), (221, 131170), (338, 85765), (442, 65585), (845, 34306), (1009, 28730), (1105, 26234), (1690, 17153), (2018, 14365), (2210, 13117), (2873, 10090), (5045, 5746)]