254306143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1607}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 328495104

約数和(自身を除く): 74188961

約数列:

[1, 7, 13, 37, 47, 91, 259, 329, 481, 611, 1607, 1739, 3367, 4277, 11249, 12173, 20891, 22607, 59459, 75529, 146237, 158249, 416213, 528703, 772967, 981877, 2794573, 5410769, 6873139, 19562011, 36329449, 254306143]

約数ペア:

[(1, 254306143), (7, 36329449), (13, 19562011), (37, 6873139), (47, 5410769), (91, 2794573), (259, 981877), (329, 772967), (481, 528703), (611, 416213), (1607, 158249), (1739, 146237), (3367, 75529), (4277, 59459), (11249, 22607), (12173, 20891)]