191997255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 332697600

約数和(自身を除く): 140700345

約数列:

[1, 3, 5, 15, 29, 37, 79, 87, 111, 145, 151, 185, 237, 395, 435, 453, 555, 755, 1073, 1185, 2265, 2291, 2923, 3219, 4379, 5365, 5587, 6873, 8769, 11455, 11929, 13137, 14615, 16095, 16761, 21895, 27935, 34365, 35787, 43845, 59645, 65685, 83805, 84767, 162023, 178935, 254301, 345941, 423835, 441373, 486069, 810115, 1037823, 1271505, 1324119, 1729705, 2206865, 2430345, 5189115, 6620595, 12799817, 38399451, 63999085, 191997255]

約数ペア:

[(1, 191997255), (3, 63999085), (5, 38399451), (15, 12799817), (29, 6620595), (37, 5189115), (79, 2430345), (87, 2206865), (111, 1729705), (145, 1324119), (151, 1271505), (185, 1037823), (237, 810115), (395, 486069), (435, 441373), (453, 423835), (555, 345941), (755, 254301), (1073, 178935), (1185, 162023), (2265, 84767), (2291, 83805), (2923, 65685), (3219, 59645), (4379, 43845), (5365, 35787), (5587, 34365), (6873, 27935), (8769, 21895), (11455, 16761), (11929, 16095), (13137, 14615)]