664943398

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1648

約数の個数: 32

約数和(自身を含む): 1154956608

約数和(自身を除く): 490013210

約数列:

[1, 2, 7, 14, 101, 202, 421, 707, 842, 1117, 1414, 2234, 2947, 5894, 7819, 15638, 42521, 85042, 112817, 225634, 297647, 470257, 595294, 789719, 940514, 1579438, 3291799, 6583598, 47495957, 94991914, 332471699, 664943398]

約数ペア:

[(1, 664943398), (2, 332471699), (7, 94991914), (14, 47495957), (101, 6583598), (202, 3291799), (421, 1579438), (707, 940514), (842, 789719), (1117, 595294), (1414, 470257), (2234, 297647), (2947, 225634), (5894, 112817), (7819, 85042), (15638, 42521)]