257803416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{21187}}^1$

素因数の和:21225

約数の個数: 72

約数和(自身を含む): 756093780

約数和(自身を除く): 498290364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 2028, 3042, 4056, 6084, 12168, 21187, 42374, 63561, 84748, 127122, 169496, 190683, 254244, 275431, 381366, 508488, 550862, 762732, 826293, 1101724, 1525464, 1652586, 2203448, 2478879, 3305172, 3580603, 4957758, 6610344, 7161206, 9915516, 10741809, 14322412, 19831032, 21483618, 28644824, 32225427, 42967236, 64450854, 85934472, 128901708, 257803416]

約数ペア:

[(1, 257803416), (2, 128901708), (3, 85934472), (4, 64450854), (6, 42967236), (8, 32225427), (9, 28644824), (12, 21483618), (13, 19831032), (18, 14322412), (24, 10741809), (26, 9915516), (36, 7161206), (39, 6610344), (52, 4957758), (72, 3580603), (78, 3305172), (104, 2478879), (117, 2203448), (156, 1652586), (169, 1525464), (234, 1101724), (312, 826293), (338, 762732), (468, 550862), (507, 508488), (676, 381366), (936, 275431), (1014, 254244), (1352, 190683), (1521, 169496), (2028, 127122), (3042, 84748), (4056, 63561), (6084, 42374), (12168, 21187)]