977256488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{494563}}^1$

素因数の和:494601

約数の個数: 32

約数和(自身を含む): 2077168800

約数和(自身を除く): 1099912312

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 494563, 989126, 1978252, 3956504, 6429319, 9396697, 12858638, 18793394, 25717276, 37586788, 51434552, 75173576, 122157061, 244314122, 488628244, 977256488]

約数ペア:

[(1, 977256488), (2, 488628244), (4, 244314122), (8, 122157061), (13, 75173576), (19, 51434552), (26, 37586788), (38, 25717276), (52, 18793394), (76, 12858638), (104, 9396697), (152, 6429319), (247, 3956504), (494, 1978252), (988, 989126), (1976, 494563)]