81377282

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 144519168

約数和(自身を除く): 63141886

約数列:

[1, 2, 7, 14, 37, 74, 127, 254, 259, 518, 889, 1237, 1778, 2474, 4699, 8659, 9398, 17318, 32893, 45769, 65786, 91538, 157099, 314198, 320383, 640766, 1099693, 2199386, 5812663, 11625326, 40688641, 81377282]

約数ペア:

[(1, 81377282), (2, 40688641), (7, 11625326), (14, 5812663), (37, 2199386), (74, 1099693), (127, 640766), (254, 320383), (259, 314198), (518, 157099), (889, 91538), (1237, 65786), (1778, 45769), (2474, 32893), (4699, 17318), (8659, 9398)]