297435215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 475683840

約数和(自身を除く): 178248625

約数列:

[1, 5, 7, 11, 19, 35, 55, 73, 77, 95, 133, 209, 365, 385, 511, 557, 665, 803, 1045, 1387, 1463, 2555, 2785, 3899, 4015, 5621, 6127, 6935, 7315, 9709, 10583, 15257, 19495, 28105, 30635, 40661, 42889, 48545, 52915, 74081, 76285, 106799, 116413, 203305, 214445, 284627, 370405, 447271, 533995, 582065, 772559, 814891, 1423135, 2236355, 3130897, 3862795, 4074455, 5407913, 8498149, 15654485, 27039565, 42490745, 59487043, 297435215]

約数ペア:

[(1, 297435215), (5, 59487043), (7, 42490745), (11, 27039565), (19, 15654485), (35, 8498149), (55, 5407913), (73, 4074455), (77, 3862795), (95, 3130897), (133, 2236355), (209, 1423135), (365, 814891), (385, 772559), (511, 582065), (557, 533995), (665, 447271), (803, 370405), (1045, 284627), (1387, 214445), (1463, 203305), (2555, 116413), (2785, 106799), (3899, 76285), (4015, 74081), (5621, 52915), (6127, 48545), (6935, 42889), (7315, 40661), (9709, 30635), (10583, 28105), (15257, 19495)]