278519161805

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1\times {\mathrm{20359}}^1$

素因数の和:20949

約数の個数: 32

約数和(自身を含む): 343539329280

約数和(自身を除く): 65020167475

約数列:

[1, 5, 67, 97, 335, 421, 485, 2105, 6499, 20359, 28207, 32495, 40837, 101795, 141035, 204185, 1364053, 1974823, 2736079, 6820265, 8571139, 9874115, 13680395, 42855695, 132313141, 574266313, 661565705, 831400483, 2871331565, 4157002415, 55703832361, 278519161805]

約数ペア:

[(1, 278519161805), (5, 55703832361), (67, 4157002415), (97, 2871331565), (335, 831400483), (421, 661565705), (485, 574266313), (2105, 132313141), (6499, 42855695), (20359, 13680395), (28207, 9874115), (32495, 8571139), (40837, 6820265), (101795, 2736079), (141035, 1974823), (204185, 1364053)]