28108782

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1483}}^1$

素因数の和:1516

約数の個数: 56

約数和(自身を含む): 68124504

約数和(自身を除く): 40015722

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 1483, 2106, 2966, 3159, 4449, 6318, 8898, 9477, 13347, 18954, 19279, 26694, 38558, 40041, 57837, 80082, 115674, 120123, 173511, 240246, 347022, 360369, 520533, 720738, 1041066, 1081107, 1561599, 2162214, 3123198, 4684797, 9369594, 14054391, 28108782]

約数ペア:

[(1, 28108782), (2, 14054391), (3, 9369594), (6, 4684797), (9, 3123198), (13, 2162214), (18, 1561599), (26, 1081107), (27, 1041066), (39, 720738), (54, 520533), (78, 360369), (81, 347022), (117, 240246), (162, 173511), (234, 120123), (243, 115674), (351, 80082), (486, 57837), (702, 40041), (729, 38558), (1053, 26694), (1458, 19279), (1483, 18954), (2106, 13347), (2966, 9477), (3159, 8898), (4449, 6318)]