1645485816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{122651}}^1$

素因数の和:122716

約数の個数: 64

約数和(自身を含む): 4533217920

約数和(自身を除く): 2887732104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 122651, 245302, 367953, 490604, 735906, 981208, 1471812, 1594463, 2943624, 3188926, 4783389, 5273993, 6377852, 9566778, 10547986, 12755704, 15821979, 19133556, 21095972, 31643958, 38267112, 42191944, 63287916, 68561909, 126575832, 137123818, 205685727, 274247636, 411371454, 548495272, 822742908, 1645485816]

約数ペア:

[(1, 1645485816), (2, 822742908), (3, 548495272), (4, 411371454), (6, 274247636), (8, 205685727), (12, 137123818), (13, 126575832), (24, 68561909), (26, 63287916), (39, 42191944), (43, 38267112), (52, 31643958), (78, 21095972), (86, 19133556), (104, 15821979), (129, 12755704), (156, 10547986), (172, 9566778), (258, 6377852), (312, 5273993), (344, 4783389), (516, 3188926), (559, 2943624), (1032, 1594463), (1118, 1471812), (1677, 981208), (2236, 735906), (3354, 490604), (4472, 367953), (6708, 245302), (13416, 122651)]