64808696

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{659}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 128304000

約数和(自身を除く): 63495304

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 647, 659, 1294, 1318, 2588, 2636, 5176, 5272, 12293, 12521, 24586, 25042, 49172, 50084, 98344, 100168, 426373, 852746, 1705492, 3410984, 8101087, 16202174, 32404348, 64808696]

約数ペア:

[(1, 64808696), (2, 32404348), (4, 16202174), (8, 8101087), (19, 3410984), (38, 1705492), (76, 852746), (152, 426373), (647, 100168), (659, 98344), (1294, 50084), (1318, 49172), (2588, 25042), (2636, 24586), (5176, 12521), (5272, 12293)]