381506566

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{19423}}^1$

素因数の和:19516

約数の個数: 32

約数和(自身を含む): 693669888

約数和(自身を除く): 312163322

約数列:

[1, 2, 7, 14, 23, 46, 61, 122, 161, 322, 427, 854, 1403, 2806, 9821, 19423, 19642, 38846, 135961, 271922, 446729, 893458, 1184803, 2369606, 3127103, 6254206, 8293621, 16587242, 27250469, 54500938, 190753283, 381506566]

約数ペア:

[(1, 381506566), (2, 190753283), (7, 54500938), (14, 27250469), (23, 16587242), (46, 8293621), (61, 6254206), (122, 3127103), (161, 2369606), (322, 1184803), (427, 893458), (854, 446729), (1403, 271922), (2806, 135961), (9821, 38846), (19423, 19642)]