278142726

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:961

約数の個数: 64

約数和(自身を含む): 607518720

約数和(自身を除く): 329375994

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 79, 93, 138, 158, 186, 237, 474, 713, 823, 1426, 1646, 1817, 2139, 2449, 2469, 3634, 4278, 4898, 4938, 5451, 7347, 10902, 14694, 18929, 25513, 37858, 51026, 56327, 56787, 65017, 76539, 112654, 113574, 130034, 153078, 168981, 195051, 337962, 390102, 586799, 1173598, 1495391, 1760397, 2015527, 2990782, 3520794, 4031054, 4486173, 6046581, 8972346, 12093162, 46357121, 92714242, 139071363, 278142726]

約数ペア:

[(1, 278142726), (2, 139071363), (3, 92714242), (6, 46357121), (23, 12093162), (31, 8972346), (46, 6046581), (62, 4486173), (69, 4031054), (79, 3520794), (93, 2990782), (138, 2015527), (158, 1760397), (186, 1495391), (237, 1173598), (474, 586799), (713, 390102), (823, 337962), (1426, 195051), (1646, 168981), (1817, 153078), (2139, 130034), (2449, 113574), (2469, 112654), (3634, 76539), (4278, 65017), (4898, 56787), (4938, 56327), (5451, 51026), (7347, 37858), (10902, 25513), (14694, 18929)]