490618911

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 696476160

約数和(自身を除く): 205857249

約数列:

[1, 3, 23, 69, 73, 219, 257, 379, 771, 1137, 1679, 5037, 5911, 8717, 17733, 18761, 26151, 27667, 56283, 83001, 97403, 292209, 431503, 636341, 1294509, 1909023, 2240269, 6720807, 7110419, 21331257, 163539637, 490618911]

約数ペア:

[(1, 490618911), (3, 163539637), (23, 21331257), (69, 7110419), (73, 6720807), (219, 2240269), (257, 1909023), (379, 1294509), (771, 636341), (1137, 431503), (1679, 292209), (5037, 97403), (5911, 83001), (8717, 56283), (17733, 27667), (18761, 26151)]