255420256

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 623185920

約数和(自身を除く): 367765664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 239, 364, 367, 416, 478, 728, 734, 956, 1456, 1468, 1673, 1912, 2569, 2912, 2936, 3107, 3346, 3824, 4771, 5138, 5872, 6214, 6692, 7648, 9542, 10276, 11744, 12428, 13384, 19084, 20552, 21749, 24856, 26768, 33397, 38168, 41104, 43498, 49712, 53536, 66794, 76336, 82208, 86996, 87713, 99424, 133588, 152672, 173992, 175426, 267176, 347984, 350852, 534352, 613991, 695968, 701704, 1068704, 1140269, 1227982, 1403408, 2280538, 2455964, 2806816, 4561076, 4911928, 7981883, 9122152, 9823856, 15963766, 18244304, 19647712, 31927532, 36488608, 63855064, 127710128, 255420256]

約数ペア:

[(1, 255420256), (2, 127710128), (4, 63855064), (7, 36488608), (8, 31927532), (13, 19647712), (14, 18244304), (16, 15963766), (26, 9823856), (28, 9122152), (32, 7981883), (52, 4911928), (56, 4561076), (91, 2806816), (104, 2455964), (112, 2280538), (182, 1403408), (208, 1227982), (224, 1140269), (239, 1068704), (364, 701704), (367, 695968), (416, 613991), (478, 534352), (728, 350852), (734, 347984), (956, 267176), (1456, 175426), (1468, 173992), (1673, 152672), (1912, 133588), (2569, 99424), (2912, 87713), (2936, 86996), (3107, 82208), (3346, 76336), (3824, 66794), (4771, 53536), (5138, 49712), (5872, 43498), (6214, 41104), (6692, 38168), (7648, 33397), (9542, 26768), (10276, 24856), (11744, 21749), (12428, 20552), (13384, 19084)]