77978418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 188282880

約数和(自身を除く): 110304462

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 89, 138, 161, 178, 267, 322, 483, 534, 623, 907, 966, 1246, 1814, 1869, 2047, 2721, 3738, 4094, 5442, 6141, 6349, 12282, 12698, 14329, 19047, 20861, 28658, 38094, 41722, 42987, 62583, 80723, 85974, 125166, 146027, 161446, 242169, 292054, 438081, 484338, 565061, 876162, 1130122, 1695183, 1856629, 3390366, 3713258, 5569887, 11139774, 12996403, 25992806, 38989209, 77978418]

約数ペア:

[(1, 77978418), (2, 38989209), (3, 25992806), (6, 12996403), (7, 11139774), (14, 5569887), (21, 3713258), (23, 3390366), (42, 1856629), (46, 1695183), (69, 1130122), (89, 876162), (138, 565061), (161, 484338), (178, 438081), (267, 292054), (322, 242169), (483, 161446), (534, 146027), (623, 125166), (907, 85974), (966, 80723), (1246, 62583), (1814, 42987), (1869, 41722), (2047, 38094), (2721, 28658), (3738, 20861), (4094, 19047), (5442, 14329), (6141, 12698), (6349, 12282)]