213471272

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 470284800

約数和(自身を除く): 256813528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 79, 146, 158, 292, 316, 511, 553, 584, 632, 661, 1022, 1106, 1322, 2044, 2212, 2644, 4088, 4424, 4627, 5288, 5767, 9254, 11534, 18508, 23068, 37016, 40369, 46136, 48253, 52219, 80738, 96506, 104438, 161476, 193012, 208876, 322952, 337771, 365533, 386024, 417752, 675542, 731066, 1351084, 1462132, 2702168, 2924264, 3811987, 7623974, 15247948, 26683909, 30495896, 53367818, 106735636, 213471272]

約数ペア:

[(1, 213471272), (2, 106735636), (4, 53367818), (7, 30495896), (8, 26683909), (14, 15247948), (28, 7623974), (56, 3811987), (73, 2924264), (79, 2702168), (146, 1462132), (158, 1351084), (292, 731066), (316, 675542), (511, 417752), (553, 386024), (584, 365533), (632, 337771), (661, 322952), (1022, 208876), (1106, 193012), (1322, 161476), (2044, 104438), (2212, 96506), (2644, 80738), (4088, 52219), (4424, 48253), (4627, 46136), (5288, 40369), (5767, 37016), (9254, 23068), (11534, 18508)]