28275858

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 69189120

約数和(自身を除く): 40913262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 234, 282, 351, 423, 611, 702, 846, 857, 1222, 1269, 1714, 1833, 2538, 2571, 3666, 5142, 5499, 7713, 10998, 11141, 15426, 16497, 22282, 23139, 32994, 33423, 40279, 46278, 66846, 80558, 100269, 120837, 200538, 241674, 300807, 362511, 523627, 601614, 725022, 1047254, 1087533, 1570881, 2175066, 3141762, 4712643, 9425286, 14137929, 28275858]

約数ペア:

[(1, 28275858), (2, 14137929), (3, 9425286), (6, 4712643), (9, 3141762), (13, 2175066), (18, 1570881), (26, 1087533), (27, 1047254), (39, 725022), (47, 601614), (54, 523627), (78, 362511), (94, 300807), (117, 241674), (141, 200538), (234, 120837), (282, 100269), (351, 80558), (423, 66846), (611, 46278), (702, 40279), (846, 33423), (857, 32994), (1222, 23139), (1269, 22282), (1714, 16497), (1833, 15426), (2538, 11141), (2571, 10998), (3666, 7713), (5142, 5499)]