128216914

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1949}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 227635200

約数和(自身を除く): 99418286

約数列:

[1, 2, 7, 14, 37, 74, 127, 254, 259, 518, 889, 1778, 1949, 3898, 4699, 9398, 13643, 27286, 32893, 65786, 72113, 144226, 247523, 495046, 504791, 1009582, 1732661, 3465322, 9158351, 18316702, 64108457, 128216914]

約数ペア:

[(1, 128216914), (2, 64108457), (7, 18316702), (14, 9158351), (37, 3465322), (74, 1732661), (127, 1009582), (254, 504791), (259, 495046), (518, 247523), (889, 144226), (1778, 72113), (1949, 65786), (3898, 32893), (4699, 27286), (9398, 13643)]