1780451998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1\times {\mathrm{1249}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 2910600000

約数和(自身を除く): 1130148002

約数列:

[1, 2, 13, 26, 109, 218, 503, 1006, 1249, 1417, 2498, 2834, 6539, 13078, 16237, 32474, 54827, 109654, 136141, 272282, 628247, 712751, 1256494, 1425502, 1769833, 3539666, 8167211, 16334422, 68478923, 136957846, 890225999, 1780451998]

約数ペア:

[(1, 1780451998), (2, 890225999), (13, 136957846), (26, 68478923), (109, 16334422), (218, 8167211), (503, 3539666), (1006, 1769833), (1249, 1425502), (1417, 1256494), (2498, 712751), (2834, 628247), (6539, 272282), (13078, 136141), (16237, 109654), (32474, 54827)]