208568248

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 464025600

約数和(自身を除く): 255457352

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 317, 379, 434, 634, 758, 868, 1268, 1516, 1736, 2219, 2536, 2653, 3032, 4438, 5306, 8876, 9827, 10612, 11749, 17752, 19654, 21224, 23498, 39308, 46996, 68789, 78616, 82243, 93992, 120143, 137578, 164486, 240286, 275156, 328972, 480572, 550312, 657944, 841001, 961144, 1682002, 3364004, 3724433, 6728008, 7448866, 14897732, 26071031, 29795464, 52142062, 104284124, 208568248]

約数ペア:

[(1, 208568248), (2, 104284124), (4, 52142062), (7, 29795464), (8, 26071031), (14, 14897732), (28, 7448866), (31, 6728008), (56, 3724433), (62, 3364004), (124, 1682002), (217, 961144), (248, 841001), (317, 657944), (379, 550312), (434, 480572), (634, 328972), (758, 275156), (868, 240286), (1268, 164486), (1516, 137578), (1736, 120143), (2219, 93992), (2536, 82243), (2653, 78616), (3032, 68789), (4438, 46996), (5306, 39308), (8876, 23498), (9827, 21224), (10612, 19654), (11749, 17752)]