81533556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2099}}^1$

素因数の和:2205

約数の個数: 72

約数和(自身を含む): 224733600

約数和(自身を除く): 143200044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2099, 2158, 2988, 3237, 4198, 4316, 6297, 6474, 8396, 9711, 12594, 12948, 18891, 19422, 25188, 27287, 37782, 38844, 54574, 75564, 81861, 109148, 163722, 174217, 245583, 327444, 348434, 491166, 522651, 696868, 982332, 1045302, 1567953, 2090604, 2264821, 3135906, 4529642, 6271812, 6794463, 9059284, 13588926, 20383389, 27177852, 40766778, 81533556]

約数ペア:

[(1, 81533556), (2, 40766778), (3, 27177852), (4, 20383389), (6, 13588926), (9, 9059284), (12, 6794463), (13, 6271812), (18, 4529642), (26, 3135906), (36, 2264821), (39, 2090604), (52, 1567953), (78, 1045302), (83, 982332), (117, 696868), (156, 522651), (166, 491166), (234, 348434), (249, 327444), (332, 245583), (468, 174217), (498, 163722), (747, 109148), (996, 81861), (1079, 75564), (1494, 54574), (2099, 38844), (2158, 37782), (2988, 27287), (3237, 25188), (4198, 19422), (4316, 18891), (6297, 12948), (6474, 12594), (8396, 9711)]