72256288

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 159376896

約数和(自身を除く): 87120608

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 431, 496, 676, 806, 862, 992, 1352, 1612, 1724, 2704, 3224, 3448, 5239, 5408, 5603, 6448, 6896, 10478, 11206, 12896, 13361, 13792, 20956, 22412, 26722, 41912, 44824, 53444, 72839, 83824, 89648, 106888, 145678, 167648, 173693, 179296, 213776, 291356, 347386, 427552, 582712, 694772, 1165424, 1389544, 2258009, 2330848, 2779088, 4516018, 5558176, 9032036, 18064072, 36128144, 72256288]

約数ペア:

[(1, 72256288), (2, 36128144), (4, 18064072), (8, 9032036), (13, 5558176), (16, 4516018), (26, 2779088), (31, 2330848), (32, 2258009), (52, 1389544), (62, 1165424), (104, 694772), (124, 582712), (169, 427552), (208, 347386), (248, 291356), (338, 213776), (403, 179296), (416, 173693), (431, 167648), (496, 145678), (676, 106888), (806, 89648), (862, 83824), (992, 72839), (1352, 53444), (1612, 44824), (1724, 41912), (2704, 26722), (3224, 22412), (3448, 20956), (5239, 13792), (5408, 13361), (5603, 12896), (6448, 11206), (6896, 10478)]