1277771248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{56359}}^1$

素因数の和:56489

約数の個数: 40

約数和(自身を含む): 2690626400

約数和(自身を除く): 1412855152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 56359, 112718, 225436, 450872, 732667, 901744, 1465334, 2930668, 5861336, 6143131, 11722672, 12286262, 24572524, 49145048, 79860703, 98290096, 159721406, 319442812, 638885624, 1277771248]

約数ペア:

[(1, 1277771248), (2, 638885624), (4, 319442812), (8, 159721406), (13, 98290096), (16, 79860703), (26, 49145048), (52, 24572524), (104, 12286262), (109, 11722672), (208, 6143131), (218, 5861336), (436, 2930668), (872, 1465334), (1417, 901744), (1744, 732667), (2834, 450872), (5668, 225436), (11336, 112718), (22672, 56359)]