51220998

素因数分解:

$2^1\times 3^6\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:125

約数の個数: 84

約数和(自身を含む): 124142940

約数和(自身を除く): 72921942

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 81, 86, 114, 129, 162, 171, 243, 258, 342, 387, 486, 513, 729, 774, 817, 1026, 1161, 1458, 1539, 1634, 1849, 2322, 2451, 3078, 3483, 3698, 4617, 4902, 5547, 6966, 7353, 9234, 10449, 11094, 13851, 14706, 16641, 20898, 22059, 27702, 31347, 33282, 35131, 44118, 49923, 62694, 66177, 70262, 99846, 105393, 132354, 149769, 198531, 210786, 299538, 316179, 397062, 449307, 595593, 632358, 898614, 948537, 1191186, 1347921, 1897074, 2695842, 2845611, 5691222, 8536833, 17073666, 25610499, 51220998]

約数ペア:

[(1, 51220998), (2, 25610499), (3, 17073666), (6, 8536833), (9, 5691222), (18, 2845611), (19, 2695842), (27, 1897074), (38, 1347921), (43, 1191186), (54, 948537), (57, 898614), (81, 632358), (86, 595593), (114, 449307), (129, 397062), (162, 316179), (171, 299538), (243, 210786), (258, 198531), (342, 149769), (387, 132354), (486, 105393), (513, 99846), (729, 70262), (774, 66177), (817, 62694), (1026, 49923), (1161, 44118), (1458, 35131), (1539, 33282), (1634, 31347), (1849, 27702), (2322, 22059), (2451, 20898), (3078, 16641), (3483, 14706), (3698, 13851), (4617, 11094), (4902, 10449), (5547, 9234), (6966, 7353)]