81173316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18233}}^1$

素因数の和:18300

約数の個数: 48

約数和(自身を含む): 220558464

約数和(自身を除く): 139385148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4452, 18233, 36466, 54699, 72932, 109398, 127631, 218796, 255262, 382893, 510524, 765786, 966349, 1531572, 1932698, 2899047, 3865396, 5798094, 6764443, 11596188, 13528886, 20293329, 27057772, 40586658, 81173316]

約数ペア:

[(1, 81173316), (2, 40586658), (3, 27057772), (4, 20293329), (6, 13528886), (7, 11596188), (12, 6764443), (14, 5798094), (21, 3865396), (28, 2899047), (42, 1932698), (53, 1531572), (84, 966349), (106, 765786), (159, 510524), (212, 382893), (318, 255262), (371, 218796), (636, 127631), (742, 109398), (1113, 72932), (1484, 54699), (2226, 36466), (4452, 18233)]