51420278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 96834816

約数和(自身を除く): 45414538

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 169, 182, 206, 211, 338, 422, 721, 1183, 1339, 1442, 1477, 2366, 2678, 2743, 2954, 5486, 9373, 17407, 18746, 19201, 21733, 34814, 35659, 38402, 43466, 71318, 121849, 152131, 243698, 249613, 282529, 304262, 499226, 565058, 1977703, 3672877, 3955406, 7345754, 25710139, 51420278]

約数ペア:

[(1, 51420278), (2, 25710139), (7, 7345754), (13, 3955406), (14, 3672877), (26, 1977703), (91, 565058), (103, 499226), (169, 304262), (182, 282529), (206, 249613), (211, 243698), (338, 152131), (422, 121849), (721, 71318), (1183, 43466), (1339, 38402), (1442, 35659), (1477, 34814), (2366, 21733), (2678, 19201), (2743, 18746), (2954, 17407), (5486, 9373)]