207459518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 390044160

約数和(自身を除く): 182584642

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 107, 133, 197, 214, 259, 266, 394, 518, 703, 749, 1379, 1406, 1498, 2033, 2758, 3743, 3959, 4066, 4921, 7289, 7486, 7918, 9842, 14231, 14578, 21079, 26201, 27713, 28462, 42158, 51023, 52402, 55426, 75221, 102046, 138491, 147553, 150442, 276982, 295106, 400501, 526547, 779923, 801002, 969437, 1053094, 1559846, 1938874, 2803507, 5459461, 5607014, 10918922, 14818537, 29637074, 103729759, 207459518]

約数ペア:

[(1, 207459518), (2, 103729759), (7, 29637074), (14, 14818537), (19, 10918922), (37, 5607014), (38, 5459461), (74, 2803507), (107, 1938874), (133, 1559846), (197, 1053094), (214, 969437), (259, 801002), (266, 779923), (394, 526547), (518, 400501), (703, 295106), (749, 276982), (1379, 150442), (1406, 147553), (1498, 138491), (2033, 102046), (2758, 75221), (3743, 55426), (3959, 52402), (4066, 51023), (4921, 42158), (7289, 28462), (7486, 27713), (7918, 26201), (9842, 21079), (14231, 14578)]