279059396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2721

約数の個数: 72

約数和(自身を含む): 633497088

約数和(自身を除く): 354437692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 121, 124, 154, 217, 242, 308, 341, 434, 484, 682, 847, 868, 1364, 1694, 2387, 2657, 3388, 3751, 4774, 5314, 7502, 9548, 10628, 15004, 18599, 26257, 29227, 37198, 52514, 58454, 74396, 82367, 105028, 116908, 164734, 204589, 321497, 329468, 409178, 576569, 642994, 818356, 906037, 1153138, 1285988, 1812074, 2250479, 2306276, 3624148, 4500958, 6342259, 9001916, 9966407, 12684518, 19932814, 25369036, 39865628, 69764849, 139529698, 279059396]

約数ペア:

[(1, 279059396), (2, 139529698), (4, 69764849), (7, 39865628), (11, 25369036), (14, 19932814), (22, 12684518), (28, 9966407), (31, 9001916), (44, 6342259), (62, 4500958), (77, 3624148), (121, 2306276), (124, 2250479), (154, 1812074), (217, 1285988), (242, 1153138), (308, 906037), (341, 818356), (434, 642994), (484, 576569), (682, 409178), (847, 329468), (868, 321497), (1364, 204589), (1694, 164734), (2387, 116908), (2657, 105028), (3388, 82367), (3751, 74396), (4774, 58454), (5314, 52514), (7502, 37198), (9548, 29227), (10628, 26257), (15004, 18599)]