1639081476

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{63857}}^1$

素因数の和:63921

約数の個数: 72

約数和(自身を含む): 4462907904

約数和(自身を除く): 2823826428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1426, 2139, 2852, 4278, 6417, 8556, 12834, 25668, 63857, 127714, 191571, 255428, 383142, 574713, 766284, 1149426, 1468711, 1979567, 2298852, 2937422, 3959134, 4406133, 5874844, 5938701, 7918268, 8812266, 11877402, 13218399, 17624532, 17816103, 23754804, 26436798, 35632206, 45530041, 52873596, 71264412, 91060082, 136590123, 182120164, 273180246, 409770369, 546360492, 819540738, 1639081476]

約数ペア:

[(1, 1639081476), (2, 819540738), (3, 546360492), (4, 409770369), (6, 273180246), (9, 182120164), (12, 136590123), (18, 91060082), (23, 71264412), (31, 52873596), (36, 45530041), (46, 35632206), (62, 26436798), (69, 23754804), (92, 17816103), (93, 17624532), (124, 13218399), (138, 11877402), (186, 8812266), (207, 7918268), (276, 5938701), (279, 5874844), (372, 4406133), (414, 3959134), (558, 2937422), (713, 2298852), (828, 1979567), (1116, 1468711), (1426, 1149426), (2139, 766284), (2852, 574713), (4278, 383142), (6417, 255428), (8556, 191571), (12834, 127714), (25668, 63857)]