71218916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 140112000

約数和(自身を除く): 68893084

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 199, 277, 323, 398, 554, 646, 796, 1108, 1292, 3383, 3781, 4709, 5263, 6766, 7562, 9418, 10526, 13532, 15124, 18836, 21052, 55123, 64277, 89471, 110246, 128554, 178942, 220492, 257108, 357884, 937091, 1047337, 1874182, 2094674, 3748364, 4189348, 17804729, 35609458, 71218916]

約数ペア:

[(1, 71218916), (2, 35609458), (4, 17804729), (17, 4189348), (19, 3748364), (34, 2094674), (38, 1874182), (68, 1047337), (76, 937091), (199, 357884), (277, 257108), (323, 220492), (398, 178942), (554, 128554), (646, 110246), (796, 89471), (1108, 64277), (1292, 55123), (3383, 21052), (3781, 18836), (4709, 15124), (5263, 13532), (6766, 10526), (7562, 9418)]