66965210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 139037472

約数和(自身を除く): 72072262

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 157, 170, 193, 221, 314, 386, 442, 785, 965, 1105, 1570, 1930, 2041, 2210, 2509, 2669, 3281, 4082, 5018, 5338, 6562, 10205, 12545, 13345, 16405, 20410, 25090, 26690, 30301, 32810, 34697, 42653, 60602, 69394, 85306, 151505, 173485, 213265, 303010, 346970, 393913, 426530, 515117, 787826, 1030234, 1969565, 2575585, 3939130, 5151170, 6696521, 13393042, 33482605, 66965210]

約数ペア:

[(1, 66965210), (2, 33482605), (5, 13393042), (10, 6696521), (13, 5151170), (17, 3939130), (26, 2575585), (34, 1969565), (65, 1030234), (85, 787826), (130, 515117), (157, 426530), (170, 393913), (193, 346970), (221, 303010), (314, 213265), (386, 173485), (442, 151505), (785, 85306), (965, 69394), (1105, 60602), (1570, 42653), (1930, 34697), (2041, 32810), (2210, 30301), (2509, 26690), (2669, 25090), (3281, 20410), (4082, 16405), (5018, 13345), (5338, 12545), (6562, 10205)]