387240688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{23339}}^1$

素因数の和:23425

約数の個数: 40

約数和(自身を含む): 807470640

約数和(自身を除く): 420229952

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 8296, 16592, 23339, 46678, 93356, 186712, 373424, 396763, 793526, 1423679, 1587052, 2847358, 3174104, 5694716, 6348208, 11389432, 22778864, 24202543, 48405086, 96810172, 193620344, 387240688]

約数ペア:

[(1, 387240688), (2, 193620344), (4, 96810172), (8, 48405086), (16, 24202543), (17, 22778864), (34, 11389432), (61, 6348208), (68, 5694716), (122, 3174104), (136, 2847358), (244, 1587052), (272, 1423679), (488, 793526), (976, 396763), (1037, 373424), (2074, 186712), (4148, 93356), (8296, 46678), (16592, 23339)]