154310989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 198374400

約数和(自身を除く): 44063411

約数列:

[1, 7, 17, 19, 119, 133, 139, 323, 491, 973, 2261, 2363, 2641, 3437, 8347, 9329, 16541, 18487, 44897, 58429, 65303, 68249, 158593, 314279, 477743, 1110151, 1160233, 1296731, 8121631, 9077117, 22044427, 154310989]

約数ペア:

[(1, 154310989), (7, 22044427), (17, 9077117), (19, 8121631), (119, 1296731), (133, 1160233), (139, 1110151), (323, 477743), (491, 314279), (973, 158593), (2261, 68249), (2363, 65303), (2641, 58429), (3437, 44897), (8347, 18487), (9329, 16541)]