257952408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{25171}}^1$

素因数の和:25248

約数の個数: 64

約数和(自身を含む): 749118720

約数和(自身を除く): 491166312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 61, 84, 122, 168, 183, 244, 366, 427, 488, 732, 854, 1281, 1464, 1708, 2562, 3416, 5124, 10248, 25171, 50342, 75513, 100684, 151026, 176197, 201368, 302052, 352394, 528591, 604104, 704788, 1057182, 1409576, 1535431, 2114364, 3070862, 4228728, 4606293, 6141724, 9212586, 10748017, 12283448, 18425172, 21496034, 32244051, 36850344, 42992068, 64488102, 85984136, 128976204, 257952408]

約数ペア:

[(1, 257952408), (2, 128976204), (3, 85984136), (4, 64488102), (6, 42992068), (7, 36850344), (8, 32244051), (12, 21496034), (14, 18425172), (21, 12283448), (24, 10748017), (28, 9212586), (42, 6141724), (56, 4606293), (61, 4228728), (84, 3070862), (122, 2114364), (168, 1535431), (183, 1409576), (244, 1057182), (366, 704788), (427, 604104), (488, 528591), (732, 352394), (854, 302052), (1281, 201368), (1464, 176197), (1708, 151026), (2562, 100684), (3416, 75513), (5124, 50342), (10248, 25171)]