78084342

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:642

約数の個数: 72

約数和(自身を含む): 198184896

約数和(自身を除く): 120100554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 223, 294, 397, 441, 446, 669, 794, 882, 1191, 1338, 1561, 2007, 2382, 2779, 3122, 3573, 4014, 4683, 5558, 7146, 8337, 9366, 10927, 14049, 16674, 19453, 21854, 25011, 28098, 32781, 38906, 50022, 58359, 65562, 88531, 98343, 116718, 175077, 177062, 196686, 265593, 350154, 531186, 619717, 796779, 1239434, 1593558, 1859151, 3718302, 4338019, 5577453, 8676038, 11154906, 13014057, 26028114, 39042171, 78084342]

約数ペア:

[(1, 78084342), (2, 39042171), (3, 26028114), (6, 13014057), (7, 11154906), (9, 8676038), (14, 5577453), (18, 4338019), (21, 3718302), (42, 1859151), (49, 1593558), (63, 1239434), (98, 796779), (126, 619717), (147, 531186), (223, 350154), (294, 265593), (397, 196686), (441, 177062), (446, 175077), (669, 116718), (794, 98343), (882, 88531), (1191, 65562), (1338, 58359), (1561, 50022), (2007, 38906), (2382, 32781), (2779, 28098), (3122, 25011), (3573, 21854), (4014, 19453), (4683, 16674), (5558, 14049), (7146, 10927), (8337, 9366)]