72189845

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5471}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 38125675

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2639, 5471, 13195, 27355, 38297, 71123, 158659, 191485, 355615, 497861, 793295, 1110613, 2062567, 2489305, 5553065, 10312835, 14437969, 72189845]

約数ペア:

[(1, 72189845), (5, 14437969), (7, 10312835), (13, 5553065), (29, 2489305), (35, 2062567), (65, 1110613), (91, 793295), (145, 497861), (203, 355615), (377, 191485), (455, 158659), (1015, 71123), (1885, 38297), (2639, 27355), (5471, 13195)]