719798994

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{953}}^1$

素因数の和:1232

約数の個数: 64

約数和(自身を含む): 1632026880

約数和(自身を除く): 912227886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 197, 213, 394, 426, 591, 639, 953, 1182, 1278, 1773, 1906, 1917, 2859, 3546, 3834, 5319, 5718, 8577, 10638, 13987, 17154, 25731, 27974, 41961, 51462, 67663, 83922, 125883, 135326, 187741, 202989, 251766, 375482, 377649, 405978, 563223, 608967, 755298, 1126446, 1217934, 1689669, 1826901, 3379338, 3653802, 5069007, 10138014, 13329611, 26659222, 39988833, 79977666, 119966499, 239932998, 359899497, 719798994]

約数ペア:

[(1, 719798994), (2, 359899497), (3, 239932998), (6, 119966499), (9, 79977666), (18, 39988833), (27, 26659222), (54, 13329611), (71, 10138014), (142, 5069007), (197, 3653802), (213, 3379338), (394, 1826901), (426, 1689669), (591, 1217934), (639, 1126446), (953, 755298), (1182, 608967), (1278, 563223), (1773, 405978), (1906, 377649), (1917, 375482), (2859, 251766), (3546, 202989), (3834, 187741), (5319, 135326), (5718, 125883), (8577, 83922), (10638, 67663), (13987, 51462), (17154, 41961), (25731, 27974)]