81813588

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 209604864

約数和(自身を除く): 127791276

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 289, 372, 527, 578, 761, 867, 1054, 1156, 1522, 1581, 1734, 2108, 2283, 3044, 3162, 3468, 4566, 6324, 8959, 9132, 12937, 17918, 23591, 25874, 26877, 35836, 38811, 47182, 51748, 53754, 70773, 77622, 94364, 107508, 141546, 155244, 219929, 283092, 401047, 439858, 659787, 802094, 879716, 1203141, 1319574, 1604188, 2406282, 2639148, 4812564, 6817799, 13635598, 20453397, 27271196, 40906794, 81813588]

約数ペア:

[(1, 81813588), (2, 40906794), (3, 27271196), (4, 20453397), (6, 13635598), (12, 6817799), (17, 4812564), (31, 2639148), (34, 2406282), (51, 1604188), (62, 1319574), (68, 1203141), (93, 879716), (102, 802094), (124, 659787), (186, 439858), (204, 401047), (289, 283092), (372, 219929), (527, 155244), (578, 141546), (761, 107508), (867, 94364), (1054, 77622), (1156, 70773), (1522, 53754), (1581, 51748), (1734, 47182), (2108, 38811), (2283, 35836), (3044, 26877), (3162, 25874), (3468, 23591), (4566, 17918), (6324, 12937), (8959, 9132)]