6639990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{4517}}^1$

素因数の和:4541

約数の個数: 48

約数和(自身を含む): 18541872

約数和(自身を除く): 11901882

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 4517, 9034, 13551, 22585, 27102, 31619, 45170, 63238, 67755, 94857, 135510, 158095, 189714, 221333, 316190, 442666, 474285, 663999, 948570, 1106665, 1327998, 2213330, 3319995, 6639990]

約数ペア:

[(1, 6639990), (2, 3319995), (3, 2213330), (5, 1327998), (6, 1106665), (7, 948570), (10, 663999), (14, 474285), (15, 442666), (21, 316190), (30, 221333), (35, 189714), (42, 158095), (49, 135510), (70, 94857), (98, 67755), (105, 63238), (147, 45170), (210, 31619), (245, 27102), (294, 22585), (490, 13551), (735, 9034), (1470, 4517)]