39977892

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 105651000

約数和(自身を除く): 65673108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 149, 174, 257, 261, 298, 348, 447, 514, 522, 596, 771, 894, 1028, 1044, 1341, 1542, 1788, 2313, 2682, 3084, 4321, 4626, 5364, 7453, 8642, 9252, 12963, 14906, 17284, 22359, 25926, 29812, 38293, 38889, 44718, 51852, 67077, 76586, 77778, 89436, 114879, 134154, 153172, 155556, 229758, 268308, 344637, 459516, 689274, 1110497, 1378548, 2220994, 3331491, 4441988, 6662982, 9994473, 13325964, 19988946, 39977892]

約数ペア:

[(1, 39977892), (2, 19988946), (3, 13325964), (4, 9994473), (6, 6662982), (9, 4441988), (12, 3331491), (18, 2220994), (29, 1378548), (36, 1110497), (58, 689274), (87, 459516), (116, 344637), (149, 268308), (174, 229758), (257, 155556), (261, 153172), (298, 134154), (348, 114879), (447, 89436), (514, 77778), (522, 76586), (596, 67077), (771, 51852), (894, 44718), (1028, 38889), (1044, 38293), (1341, 29812), (1542, 25926), (1788, 22359), (2313, 17284), (2682, 14906), (3084, 12963), (4321, 9252), (4626, 8642), (5364, 7453)]