388657958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{9479}}^1$

素因数の和:9596

約数の個数: 32

約数和(自身を含む): 668908800

約数和(自身を除く): 280250842

約数列:

[1, 2, 13, 19, 26, 38, 83, 166, 247, 494, 1079, 1577, 2158, 3154, 9479, 18958, 20501, 41002, 123227, 180101, 246454, 360202, 786757, 1573514, 2341313, 4682626, 10227841, 14948383, 20455682, 29896766, 194328979, 388657958]

約数ペア:

[(1, 388657958), (2, 194328979), (13, 29896766), (19, 20455682), (26, 14948383), (38, 10227841), (83, 4682626), (166, 2341313), (247, 1573514), (494, 786757), (1079, 360202), (1577, 246454), (2158, 180101), (3154, 123227), (9479, 41002), (18958, 20501)]