28667870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 66465792

約数和(自身を除く): 37797922

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1201, 1705, 2170, 2387, 2402, 3410, 4774, 6005, 8407, 11935, 12010, 13211, 16814, 23870, 26422, 37231, 42035, 66055, 74462, 84070, 92477, 132110, 184954, 186155, 260617, 372310, 409541, 462385, 521234, 819082, 924770, 1303085, 2047705, 2606170, 2866787, 4095410, 5733574, 14333935, 28667870]

約数ペア:

[(1, 28667870), (2, 14333935), (5, 5733574), (7, 4095410), (10, 2866787), (11, 2606170), (14, 2047705), (22, 1303085), (31, 924770), (35, 819082), (55, 521234), (62, 462385), (70, 409541), (77, 372310), (110, 260617), (154, 186155), (155, 184954), (217, 132110), (310, 92477), (341, 84070), (385, 74462), (434, 66055), (682, 42035), (770, 37231), (1085, 26422), (1201, 23870), (1705, 16814), (2170, 13211), (2387, 12010), (2402, 11935), (3410, 8407), (4774, 6005)]