78186328

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 168417900

約数和(自身を除く): 90231572

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 59, 74, 88, 118, 121, 148, 236, 242, 296, 407, 472, 484, 649, 814, 968, 1298, 1369, 1628, 2183, 2596, 2738, 3256, 4366, 4477, 5192, 5476, 7139, 8732, 8954, 10952, 14278, 15059, 17464, 17908, 24013, 28556, 30118, 35816, 48026, 57112, 60236, 80771, 96052, 120472, 161542, 165649, 192104, 264143, 323084, 331298, 528286, 646168, 662596, 888481, 1056572, 1325192, 1776962, 2113144, 3553924, 7107848, 9773291, 19546582, 39093164, 78186328]

約数ペア:

[(1, 78186328), (2, 39093164), (4, 19546582), (8, 9773291), (11, 7107848), (22, 3553924), (37, 2113144), (44, 1776962), (59, 1325192), (74, 1056572), (88, 888481), (118, 662596), (121, 646168), (148, 528286), (236, 331298), (242, 323084), (296, 264143), (407, 192104), (472, 165649), (484, 161542), (649, 120472), (814, 96052), (968, 80771), (1298, 60236), (1369, 57112), (1628, 48026), (2183, 35816), (2596, 30118), (2738, 28556), (3256, 24013), (4366, 17908), (4477, 17464), (5192, 15059), (5476, 14278), (7139, 10952), (8732, 8954)]