881592725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 1254776832

約数和(自身を除く): 373184107

約数列:

[1, 5, 13, 25, 31, 53, 65, 127, 155, 169, 265, 325, 403, 635, 689, 775, 845, 1325, 1643, 1651, 2015, 3175, 3445, 3937, 4225, 5239, 6731, 8215, 8255, 8957, 10075, 17225, 19685, 21359, 21463, 26195, 33655, 41075, 41275, 44785, 51181, 87503, 98425, 106795, 107315, 130975, 168275, 208661, 223925, 255905, 277667, 437515, 533975, 536575, 665353, 1043305, 1137539, 1279525, 1388335, 2187575, 2712593, 3326765, 5216525, 5687695, 6941675, 13562965, 16633825, 28438475, 35263709, 67814825, 176318545, 881592725]

約数ペア:

[(1, 881592725), (5, 176318545), (13, 67814825), (25, 35263709), (31, 28438475), (53, 16633825), (65, 13562965), (127, 6941675), (155, 5687695), (169, 5216525), (265, 3326765), (325, 2712593), (403, 2187575), (635, 1388335), (689, 1279525), (775, 1137539), (845, 1043305), (1325, 665353), (1643, 536575), (1651, 533975), (2015, 437515), (3175, 277667), (3445, 255905), (3937, 223925), (4225, 208661), (5239, 168275), (6731, 130975), (8215, 107315), (8255, 106795), (8957, 98425), (10075, 87503), (17225, 51181), (19685, 44785), (21359, 41275), (21463, 41075), (26195, 33655)]