6991668

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 18880680

約数和(自身を除く): 11889012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 37, 58, 74, 87, 111, 116, 148, 174, 181, 222, 261, 333, 348, 362, 444, 522, 543, 666, 724, 1044, 1073, 1086, 1332, 1629, 2146, 2172, 3219, 3258, 4292, 5249, 6438, 6516, 6697, 9657, 10498, 12876, 13394, 15747, 19314, 20091, 20996, 26788, 31494, 38628, 40182, 47241, 60273, 62988, 80364, 94482, 120546, 188964, 194213, 241092, 388426, 582639, 776852, 1165278, 1747917, 2330556, 3495834, 6991668]

約数ペア:

[(1, 6991668), (2, 3495834), (3, 2330556), (4, 1747917), (6, 1165278), (9, 776852), (12, 582639), (18, 388426), (29, 241092), (36, 194213), (37, 188964), (58, 120546), (74, 94482), (87, 80364), (111, 62988), (116, 60273), (148, 47241), (174, 40182), (181, 38628), (222, 31494), (261, 26788), (333, 20996), (348, 20091), (362, 19314), (444, 15747), (522, 13394), (543, 12876), (666, 10498), (724, 9657), (1044, 6697), (1073, 6516), (1086, 6438), (1332, 5249), (1629, 4292), (2146, 3258), (2172, 3219)]