639421146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{390367}}^1$

素因数の和:390395

約数の個数: 48

約数和(自身を含む): 1705127424

約数和(自身を除く): 1065706278

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 390367, 780734, 1171101, 2342202, 2732569, 3513303, 5074771, 5465138, 7026606, 8197707, 10149542, 15224313, 16395414, 24593121, 30448626, 35523397, 45672939, 49186242, 71046794, 91345878, 106570191, 213140382, 319710573, 639421146]

約数ペア:

[(1, 639421146), (2, 319710573), (3, 213140382), (6, 106570191), (7, 91345878), (9, 71046794), (13, 49186242), (14, 45672939), (18, 35523397), (21, 30448626), (26, 24593121), (39, 16395414), (42, 15224313), (63, 10149542), (78, 8197707), (91, 7026606), (117, 5465138), (126, 5074771), (182, 3513303), (234, 2732569), (273, 2342202), (546, 1171101), (819, 780734), (1638, 390367)]