1281362005

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3191}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 1964995200

約数和(自身を除く): 683633195

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 149, 245, 385, 539, 745, 1043, 1639, 2695, 3191, 5215, 7301, 8195, 11473, 15955, 22337, 35101, 36505, 57365, 80311, 111685, 156359, 175505, 245707, 401555, 475459, 781795, 1228535, 1719949, 2377295, 3328213, 5230049, 8599745, 16641065, 23297491, 26150245, 36610343, 116487455, 183051715, 256272401, 1281362005]

約数ペア:

[(1, 1281362005), (5, 256272401), (7, 183051715), (11, 116487455), (35, 36610343), (49, 26150245), (55, 23297491), (77, 16641065), (149, 8599745), (245, 5230049), (385, 3328213), (539, 2377295), (745, 1719949), (1043, 1228535), (1639, 781795), (2695, 475459), (3191, 401555), (5215, 245707), (7301, 175505), (8195, 156359), (11473, 111685), (15955, 80311), (22337, 57365), (35101, 36505)]