261748396

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2463

約数の個数: 72

約数和(自身を含む): 587423760

約数和(自身を除く): 325675364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 49, 52, 86, 91, 98, 172, 182, 196, 301, 364, 559, 602, 637, 1118, 1204, 1274, 2107, 2236, 2389, 2548, 3913, 4214, 4778, 7826, 8428, 9556, 15652, 16723, 27391, 31057, 33446, 54782, 62114, 66892, 102727, 109564, 117061, 124228, 205454, 217399, 234122, 410908, 434798, 468244, 719089, 869596, 1335451, 1438178, 1521793, 2670902, 2876356, 3043586, 5033623, 5341804, 6087172, 9348157, 10067246, 18696314, 20134492, 37392628, 65437099, 130874198, 261748396]

約数ペア:

[(1, 261748396), (2, 130874198), (4, 65437099), (7, 37392628), (13, 20134492), (14, 18696314), (26, 10067246), (28, 9348157), (43, 6087172), (49, 5341804), (52, 5033623), (86, 3043586), (91, 2876356), (98, 2670902), (172, 1521793), (182, 1438178), (196, 1335451), (301, 869596), (364, 719089), (559, 468244), (602, 434798), (637, 410908), (1118, 234122), (1204, 217399), (1274, 205454), (2107, 124228), (2236, 117061), (2389, 109564), (2548, 102727), (3913, 66892), (4214, 62114), (4778, 54782), (7826, 33446), (8428, 31057), (9556, 27391), (15652, 16723)]