251113655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 347460960

約数和(自身を除く): 96347305

約数列:

[1, 5, 13, 23, 65, 67, 109, 115, 299, 335, 529, 545, 871, 1417, 1495, 1541, 2507, 2645, 4355, 6877, 7085, 7303, 7705, 12535, 20033, 32591, 34385, 35443, 36515, 57661, 94939, 100165, 162955, 167969, 177215, 288305, 460759, 474695, 749593, 839845, 2183597, 2303795, 3747965, 3863287, 10917985, 19316435, 50222731, 251113655]

約数ペア:

[(1, 251113655), (5, 50222731), (13, 19316435), (23, 10917985), (65, 3863287), (67, 3747965), (109, 2303795), (115, 2183597), (299, 839845), (335, 749593), (529, 474695), (545, 460759), (871, 288305), (1417, 177215), (1495, 167969), (1541, 162955), (2507, 100165), (2645, 94939), (4355, 57661), (6877, 36515), (7085, 35443), (7303, 34385), (7705, 32591), (12535, 20033)]