221590026

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2281}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 565205760

約数和(自身を除く): 343615734

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 257, 378, 514, 771, 1542, 1799, 2281, 2313, 3598, 4562, 4626, 5397, 6843, 6939, 10794, 13686, 13878, 15967, 16191, 20529, 31934, 32382, 41058, 47901, 48573, 61587, 95802, 97146, 123174, 143703, 287406, 431109, 586217, 862218, 1172434, 1758651, 3517302, 4103519, 5275953, 8207038, 10551906, 12310557, 15827859, 24621114, 31655718, 36931671, 73863342, 110795013, 221590026]

約数ペア:

[(1, 221590026), (2, 110795013), (3, 73863342), (6, 36931671), (7, 31655718), (9, 24621114), (14, 15827859), (18, 12310557), (21, 10551906), (27, 8207038), (42, 5275953), (54, 4103519), (63, 3517302), (126, 1758651), (189, 1172434), (257, 862218), (378, 586217), (514, 431109), (771, 287406), (1542, 143703), (1799, 123174), (2281, 97146), (2313, 95802), (3598, 61587), (4562, 48573), (4626, 47901), (5397, 41058), (6843, 32382), (6939, 31934), (10794, 20529), (13686, 16191), (13878, 15967)]