1388672218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1\times {\mathrm{16981}}^1$

素因数の和:18333

約数の個数: 16

約数和(自身を含む): 2151959040

約数和(自身を除く): 763286822

約数列:

[1, 2, 31, 62, 1319, 2638, 16981, 33962, 40889, 81778, 526411, 1052822, 22397939, 44795878, 694336109, 1388672218]

約数ペア:

[(1, 1388672218), (2, 694336109), (31, 44795878), (62, 22397939), (1319, 1052822), (2638, 526411), (16981, 81778), (33962, 40889)]