102840556

素因数分解:

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

素因数の和:351

約数の個数: 72

約数和(自身を含む): 225947904

約数和(自身を除く): 123107348

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 169, 182, 206, 211, 338, 364, 412, 422, 676, 721, 844, 1183, 1339, 1442, 1477, 2366, 2678, 2743, 2884, 2954, 4732, 5356, 5486, 5908, 9373, 10972, 17407, 18746, 19201, 21733, 34814, 35659, 37492, 38402, 43466, 69628, 71318, 76804, 86932, 121849, 142636, 152131, 243698, 249613, 282529, 304262, 487396, 499226, 565058, 608524, 998452, 1130116, 1977703, 3672877, 3955406, 7345754, 7910812, 14691508, 25710139, 51420278, 102840556]

約数ペア:

[(1, 102840556), (2, 51420278), (4, 25710139), (7, 14691508), (13, 7910812), (14, 7345754), (26, 3955406), (28, 3672877), (52, 1977703), (91, 1130116), (103, 998452), (169, 608524), (182, 565058), (206, 499226), (211, 487396), (338, 304262), (364, 282529), (412, 249613), (422, 243698), (676, 152131), (721, 142636), (844, 121849), (1183, 86932), (1339, 76804), (1442, 71318), (1477, 69628), (2366, 43466), (2678, 38402), (2743, 37492), (2884, 35659), (2954, 34814), (4732, 21733), (5356, 19201), (5486, 18746), (5908, 17407), (9373, 10972)]