251691076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{2089}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 544001920

約数和(自身を除く): 292310844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 331, 364, 662, 1324, 2089, 2317, 4178, 4303, 4634, 8356, 8606, 9268, 14623, 17212, 27157, 29246, 30121, 54314, 58492, 60242, 108628, 120484, 190099, 380198, 691459, 760396, 1382918, 2765836, 4840213, 8988967, 9680426, 17977934, 19360852, 35955868, 62922769, 125845538, 251691076]

約数ペア:

[(1, 251691076), (2, 125845538), (4, 62922769), (7, 35955868), (13, 19360852), (14, 17977934), (26, 9680426), (28, 8988967), (52, 4840213), (91, 2765836), (182, 1382918), (331, 760396), (364, 691459), (662, 380198), (1324, 190099), (2089, 120484), (2317, 108628), (4178, 60242), (4303, 58492), (4634, 54314), (8356, 30121), (8606, 29246), (9268, 27157), (14623, 17212)]