978173884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{3251}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 1868469120

約数和(自身を除く): 890295236

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 107, 148, 214, 428, 703, 1406, 2033, 2812, 3251, 3959, 4066, 6502, 7918, 8132, 13004, 15836, 61769, 75221, 120287, 123538, 150442, 240574, 247076, 300884, 347857, 481148, 695714, 1391428, 2285453, 4570906, 6609283, 9141812, 12870709, 13218566, 25741418, 26437132, 51482836, 244543471, 489086942, 978173884]

約数ペア:

[(1, 978173884), (2, 489086942), (4, 244543471), (19, 51482836), (37, 26437132), (38, 25741418), (74, 13218566), (76, 12870709), (107, 9141812), (148, 6609283), (214, 4570906), (428, 2285453), (703, 1391428), (1406, 695714), (2033, 481148), (2812, 347857), (3251, 300884), (3959, 247076), (4066, 240574), (6502, 150442), (7918, 123538), (8132, 120287), (13004, 75221), (15836, 61769)]