17999345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 28460160

約数和(自身を除く): 10460815

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 169, 179, 221, 455, 595, 845, 895, 1105, 1183, 1253, 1547, 2327, 2873, 3043, 5915, 6265, 7735, 11635, 14365, 15215, 16289, 20111, 21301, 30251, 39559, 81445, 100555, 106505, 151255, 197795, 211757, 276913, 514267, 1058785, 1384565, 2571335, 3599869, 17999345]

約数ペア:

[(1, 17999345), (5, 3599869), (7, 2571335), (13, 1384565), (17, 1058785), (35, 514267), (65, 276913), (85, 211757), (91, 197795), (119, 151255), (169, 106505), (179, 100555), (221, 81445), (455, 39559), (595, 30251), (845, 21301), (895, 20111), (1105, 16289), (1183, 15215), (1253, 14365), (1547, 11635), (2327, 7735), (2873, 6265), (3043, 5915)]