28155636

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 74529000

約数和(自身を除く): 46373364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 149, 174, 181, 261, 298, 348, 362, 447, 522, 543, 596, 724, 894, 1044, 1086, 1341, 1629, 1788, 2172, 2682, 3258, 4321, 5249, 5364, 6516, 8642, 10498, 12963, 15747, 17284, 20996, 25926, 26969, 31494, 38889, 47241, 51852, 53938, 62988, 77778, 80907, 94482, 107876, 155556, 161814, 188964, 242721, 323628, 485442, 782101, 970884, 1564202, 2346303, 3128404, 4692606, 7038909, 9385212, 14077818, 28155636]

約数ペア:

[(1, 28155636), (2, 14077818), (3, 9385212), (4, 7038909), (6, 4692606), (9, 3128404), (12, 2346303), (18, 1564202), (29, 970884), (36, 782101), (58, 485442), (87, 323628), (116, 242721), (149, 188964), (174, 161814), (181, 155556), (261, 107876), (298, 94482), (348, 80907), (362, 77778), (447, 62988), (522, 53938), (543, 51852), (596, 47241), (724, 38889), (894, 31494), (1044, 26969), (1086, 25926), (1341, 20996), (1629, 17284), (1788, 15747), (2172, 12963), (2682, 10498), (3258, 8642), (4321, 6516), (5249, 5364)]