68201705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 105670656

約数和(自身を除く): 37468951

約数列:

[1, 5, 11, 13, 17, 31, 55, 65, 85, 143, 155, 181, 187, 221, 341, 403, 527, 715, 905, 935, 1105, 1705, 1991, 2015, 2353, 2431, 2635, 3077, 4433, 5611, 5797, 6851, 9955, 11765, 12155, 15385, 22165, 25883, 28055, 28985, 33847, 34255, 40001, 61721, 72943, 75361, 95387, 129415, 169235, 200005, 308605, 364715, 376805, 440011, 476935, 802373, 1049257, 1240031, 2200055, 4011865, 5246285, 6200155, 13640341, 68201705]

約数ペア:

[(1, 68201705), (5, 13640341), (11, 6200155), (13, 5246285), (17, 4011865), (31, 2200055), (55, 1240031), (65, 1049257), (85, 802373), (143, 476935), (155, 440011), (181, 376805), (187, 364715), (221, 308605), (341, 200005), (403, 169235), (527, 129415), (715, 95387), (905, 75361), (935, 72943), (1105, 61721), (1705, 40001), (1991, 34255), (2015, 33847), (2353, 28985), (2431, 28055), (2635, 25883), (3077, 22165), (4433, 15385), (5611, 12155), (5797, 11765), (6851, 9955)]