221275672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4507}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 463737960

約数和(自身を除く): 242462288

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 361, 646, 722, 1292, 1444, 2584, 2888, 4507, 6137, 9014, 12274, 18028, 24548, 36056, 49096, 76619, 85633, 153238, 171266, 306476, 342532, 612952, 685064, 1455761, 1627027, 2911522, 3254054, 5823044, 6508108, 11646088, 13016216, 27659459, 55318918, 110637836, 221275672]

約数ペア:

[(1, 221275672), (2, 110637836), (4, 55318918), (8, 27659459), (17, 13016216), (19, 11646088), (34, 6508108), (38, 5823044), (68, 3254054), (76, 2911522), (136, 1627027), (152, 1455761), (323, 685064), (361, 612952), (646, 342532), (722, 306476), (1292, 171266), (1444, 153238), (2584, 85633), (2888, 76619), (4507, 49096), (6137, 36056), (9014, 24548), (12274, 18028)]