639492072

素因数分解:

$2^3\times 3^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 1616112000

約数和(自身を除く): 976619928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 199, 257, 398, 514, 521, 597, 771, 796, 1028, 1042, 1194, 1542, 1563, 1592, 2056, 2084, 2388, 3084, 3126, 4168, 4776, 6168, 6252, 12504, 51143, 102286, 103679, 133897, 153429, 204572, 207358, 267794, 306858, 311037, 401691, 409144, 414716, 535588, 613716, 622074, 803382, 829432, 1071176, 1227432, 1244148, 1606764, 2488296, 3213528, 26645503, 53291006, 79936509, 106582012, 159873018, 213164024, 319746036, 639492072]

約数ペア:

[(1, 639492072), (2, 319746036), (3, 213164024), (4, 159873018), (6, 106582012), (8, 79936509), (12, 53291006), (24, 26645503), (199, 3213528), (257, 2488296), (398, 1606764), (514, 1244148), (521, 1227432), (597, 1071176), (771, 829432), (796, 803382), (1028, 622074), (1042, 613716), (1194, 535588), (1542, 414716), (1563, 409144), (1592, 401691), (2056, 311037), (2084, 306858), (2388, 267794), (3084, 207358), (3126, 204572), (4168, 153429), (4776, 133897), (6168, 103679), (6252, 102286), (12504, 51143)]