64345552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211663}}^1$

素因数の和:211690

約数の個数: 20

約数和(自身を含む): 131231680

約数和(自身を除く): 66886128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211663, 423326, 846652, 1693304, 3386608, 4021597, 8043194, 16086388, 32172776, 64345552]

約数ペア:

[(1, 64345552), (2, 32172776), (4, 16086388), (8, 8043194), (16, 4021597), (19, 3386608), (38, 1693304), (76, 846652), (152, 423326), (304, 211663)]