257757456

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{937}}^1$

素因数の和:1480

約数の個数: 80

約数和(自身を含む): 728578368

約数和(自身を除く): 470820912

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 521, 528, 937, 1042, 1563, 1874, 2084, 2811, 3126, 3748, 4168, 5622, 5731, 6252, 7496, 8336, 10307, 11244, 11462, 12504, 14992, 17193, 20614, 22488, 22924, 25008, 30921, 34386, 41228, 44976, 45848, 61842, 68772, 82456, 91696, 123684, 137544, 164912, 247368, 275088, 488177, 494736, 976354, 1464531, 1952708, 2929062, 3905416, 5369947, 5858124, 7810832, 10739894, 11716248, 16109841, 21479788, 23432496, 32219682, 42959576, 64439364, 85919152, 128878728, 257757456]

約数ペア:

[(1, 257757456), (2, 128878728), (3, 85919152), (4, 64439364), (6, 42959576), (8, 32219682), (11, 23432496), (12, 21479788), (16, 16109841), (22, 11716248), (24, 10739894), (33, 7810832), (44, 5858124), (48, 5369947), (66, 3905416), (88, 2929062), (132, 1952708), (176, 1464531), (264, 976354), (521, 494736), (528, 488177), (937, 275088), (1042, 247368), (1563, 164912), (1874, 137544), (2084, 123684), (2811, 91696), (3126, 82456), (3748, 68772), (4168, 61842), (5622, 45848), (5731, 44976), (6252, 41228), (7496, 34386), (8336, 30921), (10307, 25008), (11244, 22924), (11462, 22488), (12504, 20614), (14992, 17193)]