13143725

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 20236800

約数和(自身を除く): 7093075

約数列:

[1, 5, 7, 19, 25, 35, 59, 67, 95, 133, 175, 295, 335, 413, 469, 475, 665, 1121, 1273, 1475, 1675, 2065, 2345, 3325, 3953, 5605, 6365, 7847, 8911, 10325, 11725, 19765, 27671, 28025, 31825, 39235, 44555, 75107, 98825, 138355, 196175, 222775, 375535, 525749, 691775, 1877675, 2628745, 13143725]

約数ペア:

[(1, 13143725), (5, 2628745), (7, 1877675), (19, 691775), (25, 525749), (35, 375535), (59, 222775), (67, 196175), (95, 138355), (133, 98825), (175, 75107), (295, 44555), (335, 39235), (413, 31825), (469, 28025), (475, 27671), (665, 19765), (1121, 11725), (1273, 10325), (1475, 8911), (1675, 7847), (2065, 6365), (2345, 5605), (3325, 3953)]