209178256

素因数分解:

$2^4\times 7^2\times {\mathrm{367}}^1\times {\mathrm{727}}^1$

素因数の和:1116

約数の個数: 60

約数和(自身を含む): 473386368

約数和(自身を除く): 264208112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 367, 392, 727, 734, 784, 1454, 1468, 2569, 2908, 2936, 5089, 5138, 5816, 5872, 10178, 10276, 11632, 17983, 20356, 20552, 35623, 35966, 40712, 41104, 71246, 71932, 81424, 142492, 143864, 266809, 284984, 287728, 533618, 569968, 1067236, 1867663, 2134472, 3735326, 4268944, 7470652, 13073641, 14941304, 26147282, 29882608, 52294564, 104589128, 209178256]

約数ペア:

[(1, 209178256), (2, 104589128), (4, 52294564), (7, 29882608), (8, 26147282), (14, 14941304), (16, 13073641), (28, 7470652), (49, 4268944), (56, 3735326), (98, 2134472), (112, 1867663), (196, 1067236), (367, 569968), (392, 533618), (727, 287728), (734, 284984), (784, 266809), (1454, 143864), (1468, 142492), (2569, 81424), (2908, 71932), (2936, 71246), (5089, 41104), (5138, 40712), (5816, 35966), (5872, 35623), (10178, 20552), (10276, 20356), (11632, 17983)]