64688468

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 130147920

約数和(自身を除く): 65459452

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 433, 442, 676, 866, 884, 1732, 2197, 2873, 4394, 5629, 5746, 7361, 8788, 11258, 11492, 14722, 22516, 29444, 37349, 73177, 74698, 95693, 146354, 149396, 191386, 292708, 382772, 951301, 1244009, 1902602, 2488018, 3805204, 4976036, 16172117, 32344234, 64688468]

約数ペア:

[(1, 64688468), (2, 32344234), (4, 16172117), (13, 4976036), (17, 3805204), (26, 2488018), (34, 1902602), (52, 1244009), (68, 951301), (169, 382772), (221, 292708), (338, 191386), (433, 149396), (442, 146354), (676, 95693), (866, 74698), (884, 73177), (1732, 37349), (2197, 29444), (2873, 22516), (4394, 14722), (5629, 11492), (5746, 11258), (7361, 8788)]