156919145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 201013920

約数和(自身を除く): 44094775

約数列:

[1, 5, 29, 61, 113, 145, 157, 305, 565, 785, 1769, 3277, 4553, 6893, 8845, 9577, 16385, 17741, 22765, 34465, 47885, 88705, 199897, 277733, 514489, 999485, 1082201, 1388665, 2572445, 5411005, 31383829, 156919145]

約数ペア:

[(1, 156919145), (5, 31383829), (29, 5411005), (61, 2572445), (113, 1388665), (145, 1082201), (157, 999485), (305, 514489), (565, 277733), (785, 199897), (1769, 88705), (3277, 47885), (4553, 34465), (6893, 22765), (8845, 17741), (9577, 16385)]