320748961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 378846720

約数和(自身を除く): 58097759

約数列:

[1, 13, 23, 29, 71, 299, 377, 521, 667, 923, 1633, 2059, 6773, 8671, 11983, 15109, 21229, 26767, 36991, 47357, 155779, 196417, 347507, 480883, 615641, 850793, 1072739, 4517591, 11060309, 13945607, 24672997, 320748961]

約数ペア:

[(1, 320748961), (13, 24672997), (23, 13945607), (29, 11060309), (71, 4517591), (299, 1072739), (377, 850793), (521, 615641), (667, 480883), (923, 347507), (1633, 196417), (2059, 155779), (6773, 47357), (8671, 36991), (11983, 26767), (15109, 21229)]