128739816

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61657}}^1$

素因数の和:61698

約数の個数: 48

約数和(自身を含む): 360699300

約数和(自身を除く): 231959484

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 61657, 123314, 184971, 246628, 369942, 493256, 554913, 739884, 1109826, 1479768, 1788053, 2219652, 3576106, 4439304, 5364159, 7152212, 10728318, 14304424, 16092477, 21456636, 32184954, 42913272, 64369908, 128739816]

約数ペア:

[(1, 128739816), (2, 64369908), (3, 42913272), (4, 32184954), (6, 21456636), (8, 16092477), (9, 14304424), (12, 10728318), (18, 7152212), (24, 5364159), (29, 4439304), (36, 3576106), (58, 2219652), (72, 1788053), (87, 1479768), (116, 1109826), (174, 739884), (232, 554913), (261, 493256), (348, 369942), (522, 246628), (696, 184971), (1044, 123314), (2088, 61657)]