3987378

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 9266400

約数和(自身を除く): 5279022

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 131, 171, 178, 262, 267, 342, 393, 534, 786, 801, 1179, 1602, 1691, 2358, 2489, 3382, 4978, 5073, 7467, 10146, 11659, 14934, 15219, 22401, 23318, 30438, 34977, 44802, 69954, 104931, 209862, 221521, 443042, 664563, 1329126, 1993689, 3987378]

約数ペア:

[(1, 3987378), (2, 1993689), (3, 1329126), (6, 664563), (9, 443042), (18, 221521), (19, 209862), (38, 104931), (57, 69954), (89, 44802), (114, 34977), (131, 30438), (171, 23318), (178, 22401), (262, 15219), (267, 14934), (342, 11659), (393, 10146), (534, 7467), (786, 5073), (801, 4978), (1179, 3382), (1602, 2489), (1691, 2358)]