162170905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 227450160

約数和(自身を除く): 65279255

約数列:

[1, 5, 13, 17, 65, 85, 89, 97, 221, 289, 445, 485, 1105, 1157, 1261, 1445, 1513, 1649, 3757, 5785, 6305, 7565, 8245, 8633, 18785, 19669, 21437, 25721, 28033, 43165, 98345, 107185, 112229, 128605, 140165, 146761, 334373, 364429, 561145, 733805, 1671865, 1822145, 1907893, 2494937, 9539465, 12474685, 32434181, 162170905]

約数ペア:

[(1, 162170905), (5, 32434181), (13, 12474685), (17, 9539465), (65, 2494937), (85, 1907893), (89, 1822145), (97, 1671865), (221, 733805), (289, 561145), (445, 364429), (485, 334373), (1105, 146761), (1157, 140165), (1261, 128605), (1445, 112229), (1513, 107185), (1649, 98345), (3757, 43165), (5785, 28033), (6305, 25721), (7565, 21437), (8245, 19669), (8633, 18785)]