72428538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 180069120

約数和(自身を除く): 107640582

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 109, 182, 218, 273, 327, 546, 654, 763, 1217, 1417, 1526, 2289, 2434, 2834, 3651, 4251, 4578, 7302, 8502, 8519, 9919, 15821, 17038, 19838, 25557, 29757, 31642, 47463, 51114, 59514, 94926, 110747, 132653, 221494, 265306, 332241, 397959, 664482, 795918, 928571, 1724489, 1857142, 2785713, 3448978, 5173467, 5571426, 10346934, 12071423, 24142846, 36214269, 72428538]

約数ペア:

[(1, 72428538), (2, 36214269), (3, 24142846), (6, 12071423), (7, 10346934), (13, 5571426), (14, 5173467), (21, 3448978), (26, 2785713), (39, 1857142), (42, 1724489), (78, 928571), (91, 795918), (109, 664482), (182, 397959), (218, 332241), (273, 265306), (327, 221494), (546, 132653), (654, 110747), (763, 94926), (1217, 59514), (1417, 51114), (1526, 47463), (2289, 31642), (2434, 29757), (2834, 25557), (3651, 19838), (4251, 17038), (4578, 15821), (7302, 9919), (8502, 8519)]