257142288

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31699}}^1$

素因数の和:31736

約数の個数: 60

約数和(自身を含む): 719336400

約数和(自身を除く): 462194112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2704, 4056, 8112, 31699, 63398, 95097, 126796, 190194, 253592, 380388, 412087, 507184, 760776, 824174, 1236261, 1521552, 1648348, 2472522, 3296696, 4945044, 5357131, 6593392, 9890088, 10714262, 16071393, 19780176, 21428524, 32142786, 42857048, 64285572, 85714096, 128571144, 257142288]

約数ペア:

[(1, 257142288), (2, 128571144), (3, 85714096), (4, 64285572), (6, 42857048), (8, 32142786), (12, 21428524), (13, 19780176), (16, 16071393), (24, 10714262), (26, 9890088), (39, 6593392), (48, 5357131), (52, 4945044), (78, 3296696), (104, 2472522), (156, 1648348), (169, 1521552), (208, 1236261), (312, 824174), (338, 760776), (507, 507184), (624, 412087), (676, 380388), (1014, 253592), (1352, 190194), (2028, 126796), (2704, 95097), (4056, 63398), (8112, 31699)]