28742714

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 30527686

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 293, 343, 539, 586, 637, 686, 1001, 1078, 1274, 2002, 2051, 3223, 3773, 3809, 4102, 4459, 6446, 7007, 7546, 7618, 8918, 14014, 14357, 22561, 26663, 28714, 41899, 45122, 49049, 53326, 83798, 98098, 100499, 157927, 186641, 200998, 293293, 315854, 373282, 586586, 1105489, 1306487, 2053051, 2210978, 2612974, 4106102, 14371357, 28742714]

約数ペア:

[(1, 28742714), (2, 14371357), (7, 4106102), (11, 2612974), (13, 2210978), (14, 2053051), (22, 1306487), (26, 1105489), (49, 586586), (77, 373282), (91, 315854), (98, 293293), (143, 200998), (154, 186641), (182, 157927), (286, 100499), (293, 98098), (343, 83798), (539, 53326), (586, 49049), (637, 45122), (686, 41899), (1001, 28714), (1078, 26663), (1274, 22561), (2002, 14357), (2051, 14014), (3223, 8918), (3773, 7618), (3809, 7546), (4102, 7007), (4459, 6446)]