61721322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 142611840

約数和(自身を除く): 80890518

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 89, 102, 178, 221, 267, 442, 523, 534, 663, 1046, 1157, 1326, 1513, 1569, 2314, 3026, 3138, 3471, 4539, 6799, 6942, 8891, 9078, 13598, 17782, 19669, 20397, 26673, 39338, 40794, 46547, 53346, 59007, 93094, 115583, 118014, 139641, 231166, 279282, 346749, 605111, 693498, 791299, 1210222, 1582598, 1815333, 2373897, 3630666, 4747794, 10286887, 20573774, 30860661, 61721322]

約数ペア:

[(1, 61721322), (2, 30860661), (3, 20573774), (6, 10286887), (13, 4747794), (17, 3630666), (26, 2373897), (34, 1815333), (39, 1582598), (51, 1210222), (78, 791299), (89, 693498), (102, 605111), (178, 346749), (221, 279282), (267, 231166), (442, 139641), (523, 118014), (534, 115583), (663, 93094), (1046, 59007), (1157, 53346), (1326, 46547), (1513, 40794), (1569, 39338), (2314, 26673), (3026, 20397), (3138, 19669), (3471, 17782), (4539, 13598), (6799, 9078), (6942, 8891)]