281320018

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1493}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 495386496

約数和(自身を除く): 214066478

約数列:

[1, 2, 7, 14, 43, 86, 301, 313, 602, 626, 1493, 2191, 2986, 4382, 10451, 13459, 20902, 26918, 64199, 94213, 128398, 188426, 449393, 467309, 898786, 934618, 3271163, 6542326, 20094287, 40188574, 140660009, 281320018]

約数ペア:

[(1, 281320018), (2, 140660009), (7, 40188574), (14, 20094287), (43, 6542326), (86, 3271163), (301, 934618), (313, 898786), (602, 467309), (626, 449393), (1493, 188426), (2191, 128398), (2986, 94213), (4382, 64199), (10451, 26918), (13459, 20902)]