278313412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4211}}^1$

素因数の和:4300

約数の個数: 48

約数和(自身を含む): 554770944

約数和(自身を除く): 276457532

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 124, 164, 403, 533, 806, 1066, 1271, 1612, 2132, 2542, 4211, 5084, 8422, 16523, 16844, 33046, 54743, 66092, 109486, 130541, 172651, 218972, 261082, 345302, 522164, 690604, 1697033, 2244463, 3394066, 4488926, 5352181, 6788132, 8977852, 10704362, 21408724, 69578353, 139156706, 278313412]

約数ペア:

[(1, 278313412), (2, 139156706), (4, 69578353), (13, 21408724), (26, 10704362), (31, 8977852), (41, 6788132), (52, 5352181), (62, 4488926), (82, 3394066), (124, 2244463), (164, 1697033), (403, 690604), (533, 522164), (806, 345302), (1066, 261082), (1271, 218972), (1612, 172651), (2132, 130541), (2542, 109486), (4211, 66092), (5084, 54743), (8422, 33046), (16523, 16844)]