15801955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 21591360

約数和(自身を除く): 5789405

約数列:

[1, 5, 13, 29, 65, 83, 101, 145, 377, 415, 505, 1079, 1313, 1885, 2407, 2929, 5395, 6565, 8383, 12035, 14645, 31291, 38077, 41915, 108979, 156455, 190385, 243107, 544895, 1215535, 3160391, 15801955]

約数ペア:

[(1, 15801955), (5, 3160391), (13, 1215535), (29, 544895), (65, 243107), (83, 190385), (101, 156455), (145, 108979), (377, 41915), (415, 38077), (505, 31291), (1079, 14645), (1313, 12035), (1885, 8383), (2407, 6565), (2929, 5395)]