201579455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 64

約数和(自身を含む): 336337920

約数和(自身を除く): 134758465

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 187, 209, 323, 385, 595, 665, 935, 1045, 1309, 1463, 1615, 1621, 2261, 3553, 6545, 7315, 8105, 11305, 11347, 17765, 17831, 24871, 27557, 30799, 56735, 89155, 124355, 124817, 137785, 153995, 192899, 215593, 303127, 338789, 523583, 624085, 964495, 1077965, 1515635, 1693945, 2121889, 2371523, 2617915, 3665081, 5759413, 10609445, 11857615, 18325405, 28797065, 40315891, 201579455]

約数ペア:

[(1, 201579455), (5, 40315891), (7, 28797065), (11, 18325405), (17, 11857615), (19, 10609445), (35, 5759413), (55, 3665081), (77, 2617915), (85, 2371523), (95, 2121889), (119, 1693945), (133, 1515635), (187, 1077965), (209, 964495), (323, 624085), (385, 523583), (595, 338789), (665, 303127), (935, 215593), (1045, 192899), (1309, 153995), (1463, 137785), (1615, 124817), (1621, 124355), (2261, 89155), (3553, 56735), (6545, 30799), (7315, 27557), (8105, 24871), (11305, 17831), (11347, 17765)]