248805214

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 462827520

約数和(自身を除く): 214022306

約数列:

[1, 2, 7, 14, 23, 46, 53, 61, 106, 122, 161, 239, 322, 371, 427, 478, 742, 854, 1219, 1403, 1673, 2438, 2806, 3233, 3346, 5497, 6466, 8533, 9821, 10994, 12667, 14579, 17066, 19642, 22631, 25334, 29158, 38479, 45262, 74359, 76958, 88669, 102053, 148718, 177338, 204106, 291341, 335317, 520513, 582682, 670634, 772687, 1041026, 1545374, 2039387, 2347219, 4078774, 4694438, 5408809, 10817618, 17771801, 35543602, 124402607, 248805214]

約数ペア:

[(1, 248805214), (2, 124402607), (7, 35543602), (14, 17771801), (23, 10817618), (46, 5408809), (53, 4694438), (61, 4078774), (106, 2347219), (122, 2039387), (161, 1545374), (239, 1041026), (322, 772687), (371, 670634), (427, 582682), (478, 520513), (742, 335317), (854, 291341), (1219, 204106), (1403, 177338), (1673, 148718), (2438, 102053), (2806, 88669), (3233, 76958), (3346, 74359), (5497, 45262), (6466, 38479), (8533, 29158), (9821, 25334), (10994, 22631), (12667, 19642), (14579, 17066)]