406953904

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 945653760

約数和(自身を除く): 538699856

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 239, 322, 368, 478, 644, 661, 956, 1288, 1322, 1673, 1912, 2576, 2644, 3346, 3824, 4627, 5288, 5497, 6692, 9254, 10576, 10994, 13384, 15203, 18508, 21988, 26768, 30406, 37016, 38479, 43976, 60812, 74032, 76958, 87952, 106421, 121624, 153916, 157979, 212842, 243248, 307832, 315958, 425684, 615664, 631916, 851368, 1105853, 1263832, 1702736, 2211706, 2527664, 3633517, 4423412, 7267034, 8846824, 14534068, 17693648, 25434619, 29068136, 50869238, 58136272, 101738476, 203476952, 406953904]

約数ペア:

[(1, 406953904), (2, 203476952), (4, 101738476), (7, 58136272), (8, 50869238), (14, 29068136), (16, 25434619), (23, 17693648), (28, 14534068), (46, 8846824), (56, 7267034), (92, 4423412), (112, 3633517), (161, 2527664), (184, 2211706), (239, 1702736), (322, 1263832), (368, 1105853), (478, 851368), (644, 631916), (661, 615664), (956, 425684), (1288, 315958), (1322, 307832), (1673, 243248), (1912, 212842), (2576, 157979), (2644, 153916), (3346, 121624), (3824, 106421), (4627, 87952), (5288, 76958), (5497, 74032), (6692, 60812), (9254, 43976), (10576, 38479), (10994, 37016), (13384, 30406), (15203, 26768), (18508, 21988)]