28788534

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 69696000

約数和(自身を除く): 40907466

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 47, 54, 57, 81, 94, 114, 141, 162, 171, 199, 282, 342, 398, 423, 513, 597, 846, 893, 1026, 1194, 1269, 1539, 1786, 1791, 2538, 2679, 3078, 3582, 3781, 3807, 5358, 5373, 7562, 7614, 8037, 9353, 10746, 11343, 16074, 16119, 18706, 22686, 24111, 28059, 32238, 34029, 48222, 56118, 68058, 72333, 84177, 102087, 144666, 168354, 177707, 204174, 252531, 306261, 355414, 505062, 533121, 612522, 757593, 1066242, 1515186, 1599363, 3198726, 4798089, 9596178, 14394267, 28788534]

約数ペア:

[(1, 28788534), (2, 14394267), (3, 9596178), (6, 4798089), (9, 3198726), (18, 1599363), (19, 1515186), (27, 1066242), (38, 757593), (47, 612522), (54, 533121), (57, 505062), (81, 355414), (94, 306261), (114, 252531), (141, 204174), (162, 177707), (171, 168354), (199, 144666), (282, 102087), (342, 84177), (398, 72333), (423, 68058), (513, 56118), (597, 48222), (846, 34029), (893, 32238), (1026, 28059), (1194, 24111), (1269, 22686), (1539, 18706), (1786, 16119), (1791, 16074), (2538, 11343), (2679, 10746), (3078, 9353), (3582, 8037), (3781, 7614), (3807, 7562), (5358, 5373)]