512151913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 644958720

約数和(自身を除く): 132806807

約数列:

[1, 7, 13, 61, 91, 257, 359, 427, 793, 1799, 2513, 3341, 4667, 5551, 15677, 21899, 23387, 32669, 92263, 109739, 153293, 203801, 284687, 645841, 1199419, 1426607, 1992809, 5628043, 8395933, 39396301, 73164559, 512151913]

約数ペア:

[(1, 512151913), (7, 73164559), (13, 39396301), (61, 8395933), (91, 5628043), (257, 1992809), (359, 1426607), (427, 1199419), (793, 645841), (1799, 284687), (2513, 203801), (3341, 153293), (4667, 109739), (5551, 92263), (15677, 32669), (21899, 23387)]