381409828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 723824640

約数和(自身を除く): 342414812

約数列:

[1, 2, 4, 23, 43, 46, 67, 86, 92, 134, 172, 268, 989, 1439, 1541, 1978, 2878, 2881, 3082, 3956, 5756, 5762, 6164, 11524, 33097, 61877, 66194, 66263, 96413, 123754, 132388, 132526, 192826, 247508, 265052, 385652, 1423171, 2217499, 2846342, 4145759, 4434998, 5692684, 8291518, 8869996, 16583036, 95352457, 190704914, 381409828]

約数ペア:

[(1, 381409828), (2, 190704914), (4, 95352457), (23, 16583036), (43, 8869996), (46, 8291518), (67, 5692684), (86, 4434998), (92, 4145759), (134, 2846342), (172, 2217499), (268, 1423171), (989, 385652), (1439, 265052), (1541, 247508), (1978, 192826), (2878, 132526), (2881, 132388), (3082, 123754), (3956, 96413), (5756, 66263), (5762, 66194), (6164, 61877), (11524, 33097)]