28909010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 60383232

約数和(自身を除く): 31474222

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 103, 127, 130, 170, 206, 221, 254, 442, 515, 635, 1030, 1105, 1270, 1339, 1651, 1751, 2159, 2210, 2678, 3302, 3502, 4318, 6695, 8255, 8755, 10795, 13081, 13390, 16510, 17510, 21590, 22763, 26162, 28067, 45526, 56134, 65405, 113815, 130810, 140335, 170053, 222377, 227630, 280670, 340106, 444754, 850265, 1111885, 1700530, 2223770, 2890901, 5781802, 14454505, 28909010]

約数ペア:

[(1, 28909010), (2, 14454505), (5, 5781802), (10, 2890901), (13, 2223770), (17, 1700530), (26, 1111885), (34, 850265), (65, 444754), (85, 340106), (103, 280670), (127, 227630), (130, 222377), (170, 170053), (206, 140335), (221, 130810), (254, 113815), (442, 65405), (515, 56134), (635, 45526), (1030, 28067), (1105, 26162), (1270, 22763), (1339, 21590), (1651, 17510), (1751, 16510), (2159, 13390), (2210, 13081), (2678, 10795), (3302, 8755), (3502, 8255), (4318, 6695)]