78990054

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2213

約数の個数: 64

約数和(自身を含む): 190003968

約数和(自身を除く): 111013914

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 43, 66, 78, 86, 129, 143, 258, 286, 429, 473, 559, 858, 946, 1118, 1419, 1677, 2141, 2838, 3354, 4282, 6149, 6423, 12298, 12846, 18447, 23551, 27833, 36894, 47102, 55666, 70653, 83499, 92063, 141306, 166998, 184126, 276189, 306163, 552378, 612326, 918489, 1012693, 1196819, 1836978, 2025386, 2393638, 3038079, 3590457, 6076158, 7180914, 13165009, 26330018, 39495027, 78990054]

約数ペア:

[(1, 78990054), (2, 39495027), (3, 26330018), (6, 13165009), (11, 7180914), (13, 6076158), (22, 3590457), (26, 3038079), (33, 2393638), (39, 2025386), (43, 1836978), (66, 1196819), (78, 1012693), (86, 918489), (129, 612326), (143, 552378), (258, 306163), (286, 276189), (429, 184126), (473, 166998), (559, 141306), (858, 92063), (946, 83499), (1118, 70653), (1419, 55666), (1677, 47102), (2141, 36894), (2838, 27833), (3354, 23551), (4282, 18447), (6149, 12846), (6423, 12298)]