78951916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 160151040

約数和(自身を除く): 81199124

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 47, 62, 76, 92, 94, 124, 188, 437, 589, 713, 874, 893, 961, 1081, 1178, 1426, 1457, 1748, 1786, 1922, 2162, 2356, 2852, 2914, 3572, 3844, 4324, 5828, 13547, 18259, 20539, 22103, 27094, 27683, 33511, 36518, 41078, 44206, 45167, 54188, 55366, 67022, 73036, 82156, 88412, 90334, 110732, 134044, 180668, 419957, 636709, 839914, 858173, 1038841, 1273418, 1679828, 1716346, 2077682, 2546836, 3432692, 4155364, 19737979, 39475958, 78951916]

約数ペア:

[(1, 78951916), (2, 39475958), (4, 19737979), (19, 4155364), (23, 3432692), (31, 2546836), (38, 2077682), (46, 1716346), (47, 1679828), (62, 1273418), (76, 1038841), (92, 858173), (94, 839914), (124, 636709), (188, 419957), (437, 180668), (589, 134044), (713, 110732), (874, 90334), (893, 88412), (961, 82156), (1081, 73036), (1178, 67022), (1426, 55366), (1457, 54188), (1748, 45167), (1786, 44206), (1922, 41078), (2162, 36518), (2356, 33511), (2852, 27683), (2914, 27094), (3572, 22103), (3844, 20539), (4324, 18259), (5828, 13547)]