72199775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1579}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 94041600

約数和(自身を除く): 21841825

約数列:

[1, 5, 25, 31, 59, 155, 295, 775, 1475, 1579, 1829, 7895, 9145, 39475, 45725, 48949, 93161, 244745, 465805, 1223725, 2329025, 2887991, 14439955, 72199775]

約数ペア:

[(1, 72199775), (5, 14439955), (25, 2887991), (31, 2329025), (59, 1223725), (155, 465805), (295, 244745), (775, 93161), (1475, 48949), (1579, 45725), (1829, 39475), (7895, 9145)]