28216090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 62270208

約数和(自身を除く): 34054118

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 131, 170, 181, 238, 262, 362, 595, 655, 905, 917, 1190, 1267, 1310, 1810, 1834, 2227, 2534, 3077, 4454, 4585, 6154, 6335, 9170, 11135, 12670, 15385, 15589, 21539, 22270, 23711, 30770, 31178, 43078, 47422, 77945, 107695, 118555, 155890, 165977, 215390, 237110, 331954, 403087, 806174, 829885, 1659770, 2015435, 2821609, 4030870, 5643218, 14108045, 28216090]

約数ペア:

[(1, 28216090), (2, 14108045), (5, 5643218), (7, 4030870), (10, 2821609), (14, 2015435), (17, 1659770), (34, 829885), (35, 806174), (70, 403087), (85, 331954), (119, 237110), (131, 215390), (170, 165977), (181, 155890), (238, 118555), (262, 107695), (362, 77945), (595, 47422), (655, 43078), (905, 31178), (917, 30770), (1190, 23711), (1267, 22270), (1310, 21539), (1810, 15589), (1834, 15385), (2227, 12670), (2534, 11135), (3077, 9170), (4454, 6335), (4585, 6154)]