74646065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 104582016

約数和(自身を除く): 29935951

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 1571, 2795, 3655, 7855, 9503, 20423, 26707, 47515, 67553, 102115, 133535, 337765, 347191, 878189, 1148401, 1735955, 4390945, 5742005, 14929213, 74646065]

約数ペア:

[(1, 74646065), (5, 14929213), (13, 5742005), (17, 4390945), (43, 1735955), (65, 1148401), (85, 878189), (215, 347191), (221, 337765), (559, 133535), (731, 102115), (1105, 67553), (1571, 47515), (2795, 26707), (3655, 20423), (7855, 9503)]