71329648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18049}}^1$

素因数の和:18089

約数の個数: 40

約数和(自身を含む): 156674000

約数和(自身を除く): 85344352

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 18049, 36098, 72196, 144392, 234637, 288784, 342931, 469274, 685862, 938548, 1371724, 1877096, 2743448, 3754192, 4458103, 5486896, 8916206, 17832412, 35664824, 71329648]

約数ペア:

[(1, 71329648), (2, 35664824), (4, 17832412), (8, 8916206), (13, 5486896), (16, 4458103), (19, 3754192), (26, 2743448), (38, 1877096), (52, 1371724), (76, 938548), (104, 685862), (152, 469274), (208, 342931), (247, 288784), (304, 234637), (494, 144392), (988, 72196), (1976, 36098), (3952, 18049)]