326678495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 491097600

約数和(自身を除く): 164419105

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 139, 143, 173, 209, 247, 695, 715, 865, 1045, 1235, 1529, 1807, 1903, 2249, 2641, 2717, 3287, 7645, 9035, 9515, 11245, 13205, 13585, 16435, 19877, 24047, 24739, 29051, 34333, 36157, 42731, 99385, 120235, 123695, 145255, 171665, 180785, 213655, 264517, 312611, 377663, 456893, 470041, 1322585, 1563055, 1888315, 2284465, 2350205, 3438721, 5025823, 5939609, 17193605, 25129115, 29698045, 65335699, 326678495]

約数ペア:

[(1, 326678495), (5, 65335699), (11, 29698045), (13, 25129115), (19, 17193605), (55, 5939609), (65, 5025823), (95, 3438721), (139, 2350205), (143, 2284465), (173, 1888315), (209, 1563055), (247, 1322585), (695, 470041), (715, 456893), (865, 377663), (1045, 312611), (1235, 264517), (1529, 213655), (1807, 180785), (1903, 171665), (2249, 145255), (2641, 123695), (2717, 120235), (3287, 99385), (7645, 42731), (9035, 36157), (9515, 34333), (11245, 29051), (13205, 24739), (13585, 24047), (16435, 19877)]