9801890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4562

約数の個数: 32

約数和(自身を含む): 20818944

約数和(自身を除く): 11017054

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 4517, 9034, 22585, 31619, 45170, 63238, 140027, 158095, 280054, 316190, 700135, 980189, 1400270, 1960378, 4900945, 9801890]

約数ペア:

[(1, 9801890), (2, 4900945), (5, 1960378), (7, 1400270), (10, 980189), (14, 700135), (31, 316190), (35, 280054), (62, 158095), (70, 140027), (155, 63238), (217, 45170), (310, 31619), (434, 22585), (1085, 9034), (2170, 4517)]