81560892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2351}}^1$

素因数の和:2431

約数の個数: 72

約数和(自身を含む): 225227520

約数和(自身を除く): 143666628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 588, 708, 826, 1239, 1652, 2351, 2478, 2891, 4702, 4956, 5782, 7053, 8673, 9404, 11564, 14106, 16457, 17346, 28212, 32914, 34692, 49371, 65828, 98742, 115199, 138709, 197484, 230398, 277418, 345597, 416127, 460796, 554836, 691194, 832254, 970963, 1382388, 1664508, 1941926, 2912889, 3883852, 5825778, 6796741, 11651556, 13593482, 20390223, 27186964, 40780446, 81560892]

約数ペア:

[(1, 81560892), (2, 40780446), (3, 27186964), (4, 20390223), (6, 13593482), (7, 11651556), (12, 6796741), (14, 5825778), (21, 3883852), (28, 2912889), (42, 1941926), (49, 1664508), (59, 1382388), (84, 970963), (98, 832254), (118, 691194), (147, 554836), (177, 460796), (196, 416127), (236, 345597), (294, 277418), (354, 230398), (413, 197484), (588, 138709), (708, 115199), (826, 98742), (1239, 65828), (1652, 49371), (2351, 34692), (2478, 32914), (2891, 28212), (4702, 17346), (4956, 16457), (5782, 14106), (7053, 11564), (8673, 9404)]