261873124

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4049}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 517104000

約数和(自身を除く): 255230876

約数列:

[1, 2, 4, 19, 23, 37, 38, 46, 74, 76, 92, 148, 437, 703, 851, 874, 1406, 1702, 1748, 2812, 3404, 4049, 8098, 16169, 16196, 32338, 64676, 76931, 93127, 149813, 153862, 186254, 299626, 307724, 372508, 599252, 1769413, 2846447, 3445699, 3538826, 5692894, 6891398, 7077652, 11385788, 13782796, 65468281, 130936562, 261873124]

約数ペア:

[(1, 261873124), (2, 130936562), (4, 65468281), (19, 13782796), (23, 11385788), (37, 7077652), (38, 6891398), (46, 5692894), (74, 3538826), (76, 3445699), (92, 2846447), (148, 1769413), (437, 599252), (703, 372508), (851, 307724), (874, 299626), (1406, 186254), (1702, 153862), (1748, 149813), (2812, 93127), (3404, 76931), (4049, 64676), (8098, 32338), (16169, 16196)]