1289778856

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 2531839680

約数和(自身を除く): 1242060824

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 193, 211, 214, 296, 386, 422, 428, 772, 844, 856, 1544, 1688, 3959, 7141, 7807, 7918, 14282, 15614, 15836, 20651, 22577, 28564, 31228, 31672, 40723, 41302, 45154, 57128, 62456, 81446, 82604, 90308, 162892, 165208, 180616, 325784, 764087, 835349, 1506751, 1528174, 1670698, 3013502, 3056348, 3341396, 4357361, 6027004, 6112696, 6682792, 8714722, 12054008, 17429444, 34858888, 161222357, 322444714, 644889428, 1289778856]

約数ペア:

[(1, 1289778856), (2, 644889428), (4, 322444714), (8, 161222357), (37, 34858888), (74, 17429444), (107, 12054008), (148, 8714722), (193, 6682792), (211, 6112696), (214, 6027004), (296, 4357361), (386, 3341396), (422, 3056348), (428, 3013502), (772, 1670698), (844, 1528174), (856, 1506751), (1544, 835349), (1688, 764087), (3959, 325784), (7141, 180616), (7807, 165208), (7918, 162892), (14282, 90308), (15614, 82604), (15836, 81446), (20651, 62456), (22577, 57128), (28564, 45154), (31228, 41302), (31672, 40723)]