72406555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 96816384

約数和(自身を除く): 24409829

約数列:

[1, 5, 13, 47, 65, 137, 173, 235, 611, 685, 865, 1781, 2249, 3055, 6439, 8131, 8905, 11245, 23701, 32195, 40655, 83707, 105703, 118505, 308113, 418535, 528515, 1113947, 1540565, 5569735, 14481311, 72406555]

約数ペア:

[(1, 72406555), (5, 14481311), (13, 5569735), (47, 1540565), (65, 1113947), (137, 528515), (173, 418535), (235, 308113), (611, 118505), (685, 105703), (865, 83707), (1781, 40655), (2249, 32195), (3055, 23701), (6439, 11245), (8131, 8905)]