128691104

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{211663}}^1$

素因数の和:211692

約数の個数: 24

約数和(自身を含む): 266696640

約数和(自身を除く): 138005536

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 211663, 423326, 846652, 1693304, 3386608, 4021597, 6773216, 8043194, 16086388, 32172776, 64345552, 128691104]

約数ペア:

[(1, 128691104), (2, 64345552), (4, 32172776), (8, 16086388), (16, 8043194), (19, 6773216), (32, 4021597), (38, 3386608), (76, 1693304), (152, 846652), (304, 423326), (608, 211663)]