9886890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 25909632

約数和(自身を除く): 16022742

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 195, 202, 251, 303, 390, 502, 505, 606, 753, 1010, 1255, 1313, 1506, 1515, 2510, 2626, 3030, 3263, 3765, 3939, 6526, 6565, 7530, 7878, 9789, 13130, 16315, 19578, 19695, 25351, 32630, 39390, 48945, 50702, 76053, 97890, 126755, 152106, 253510, 329563, 380265, 659126, 760530, 988689, 1647815, 1977378, 3295630, 4943445, 9886890]

約数ペア:

[(1, 9886890), (2, 4943445), (3, 3295630), (5, 1977378), (6, 1647815), (10, 988689), (13, 760530), (15, 659126), (26, 380265), (30, 329563), (39, 253510), (65, 152106), (78, 126755), (101, 97890), (130, 76053), (195, 50702), (202, 48945), (251, 39390), (303, 32630), (390, 25351), (502, 19695), (505, 19578), (606, 16315), (753, 13130), (1010, 9789), (1255, 7878), (1313, 7530), (1506, 6565), (1515, 6526), (2510, 3939), (2626, 3765), (3030, 3263)]