980406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 2515968

約数和(自身を除く): 1535562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 251, 279, 434, 502, 558, 651, 753, 1302, 1506, 1757, 1953, 2259, 3514, 3906, 4518, 5271, 7781, 10542, 15562, 15813, 23343, 31626, 46686, 54467, 70029, 108934, 140058, 163401, 326802, 490203, 980406]

約数ペア:

[(1, 980406), (2, 490203), (3, 326802), (6, 163401), (7, 140058), (9, 108934), (14, 70029), (18, 54467), (21, 46686), (31, 31626), (42, 23343), (62, 15813), (63, 15562), (93, 10542), (126, 7781), (186, 5271), (217, 4518), (251, 3906), (279, 3514), (434, 2259), (502, 1953), (558, 1757), (651, 1506), (753, 1302)]