78972455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{769}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 27472345

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 437, 769, 893, 1081, 2185, 3845, 4465, 5405, 14611, 17687, 20539, 36143, 73055, 88435, 102695, 180715, 336053, 686717, 831289, 1680265, 3433585, 4156445, 15794491, 78972455]

約数ペア:

[(1, 78972455), (5, 15794491), (19, 4156445), (23, 3433585), (47, 1680265), (95, 831289), (115, 686717), (235, 336053), (437, 180715), (769, 102695), (893, 88435), (1081, 73055), (2185, 36143), (3845, 20539), (4465, 17687), (5405, 14611)]