779215693675

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{4139}}^1$

素因数の和:4621

約数の個数: 72

約数和(自身を含む): 1043952468480

約数和(自身を除く): 264736774805

約数列:

[1, 5, 17, 25, 71, 85, 289, 355, 367, 425, 1207, 1445, 1775, 1835, 4139, 6035, 6239, 7225, 9175, 20519, 20695, 26057, 30175, 31195, 70363, 102595, 103475, 106063, 130285, 155975, 293869, 351815, 442969, 512975, 530315, 651425, 1196171, 1469345, 1519013, 1759075, 2214845, 2651575, 4995773, 5980855, 7346725, 7530473, 7595065, 11074225, 24978865, 25823221, 29904275, 37652365, 37975325, 84928141, 107849923, 124894325, 129116105, 188261825, 424640705, 438994757, 539249615, 645580525, 1833448691, 2123203525, 2194973785, 2696248075, 9167243455, 10974868925, 31168627747, 45836217275, 155843138735, 779215693675]

約数ペア:

[(1, 779215693675), (5, 155843138735), (17, 45836217275), (25, 31168627747), (71, 10974868925), (85, 9167243455), (289, 2696248075), (355, 2194973785), (367, 2123203525), (425, 1833448691), (1207, 645580525), (1445, 539249615), (1775, 438994757), (1835, 424640705), (4139, 188261825), (6035, 129116105), (6239, 124894325), (7225, 107849923), (9175, 84928141), (20519, 37975325), (20695, 37652365), (26057, 29904275), (30175, 25823221), (31195, 24978865), (70363, 11074225), (102595, 7595065), (103475, 7530473), (106063, 7346725), (130285, 5980855), (155975, 4995773), (293869, 2651575), (351815, 2214845), (442969, 1759075), (512975, 1519013), (530315, 1469345), (651425, 1196171)]