215518924

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 406441728

約数和(自身を除く): 190922804

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 157, 172, 314, 347, 628, 694, 989, 1388, 1978, 3611, 3956, 6751, 7222, 7981, 13502, 14444, 14921, 15962, 27004, 29842, 31924, 54479, 59684, 108958, 155273, 217916, 310546, 343183, 621092, 686366, 1253017, 1372732, 2342597, 2506034, 4685194, 5012068, 9370388, 53879731, 107759462, 215518924]

約数ペア:

[(1, 215518924), (2, 107759462), (4, 53879731), (23, 9370388), (43, 5012068), (46, 4685194), (86, 2506034), (92, 2342597), (157, 1372732), (172, 1253017), (314, 686366), (347, 621092), (628, 343183), (694, 310546), (989, 217916), (1388, 155273), (1978, 108958), (3611, 59684), (3956, 54479), (6751, 31924), (7222, 29842), (7981, 27004), (13502, 15962), (14444, 14921)]