856996128

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{41911}}^1$

素因数の和:41998

約数の個数: 72

約数和(自身を含む): 2471466816

約数和(自身を除く): 1614470688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 20448, 41911, 83822, 125733, 167644, 251466, 335288, 377199, 502932, 670576, 754398, 1005864, 1341152, 1508796, 2011728, 2975681, 3017592, 4023456, 5951362, 6035184, 8927043, 11902724, 12070368, 17854086, 23805448, 26781129, 35708172, 47610896, 53562258, 71416344, 95221792, 107124516, 142832688, 214249032, 285665376, 428498064, 856996128]

約数ペア:

[(1, 856996128), (2, 428498064), (3, 285665376), (4, 214249032), (6, 142832688), (8, 107124516), (9, 95221792), (12, 71416344), (16, 53562258), (18, 47610896), (24, 35708172), (32, 26781129), (36, 23805448), (48, 17854086), (71, 12070368), (72, 11902724), (96, 8927043), (142, 6035184), (144, 5951362), (213, 4023456), (284, 3017592), (288, 2975681), (426, 2011728), (568, 1508796), (639, 1341152), (852, 1005864), (1136, 754398), (1278, 670576), (1704, 502932), (2272, 377199), (2556, 335288), (3408, 251466), (5112, 167644), (6816, 125733), (10224, 83822), (20448, 41911)]