204080509456

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{400711}}^1$

素因数の和:401087

約数の個数: 40

約数和(自身を含む): 399990718400

約数和(自身を除く): 195910208944

約数列:

[1, 2, 4, 8, 16, 139, 229, 278, 458, 556, 916, 1112, 1832, 2224, 3664, 31831, 63662, 127324, 254648, 400711, 509296, 801422, 1602844, 3205688, 6411376, 55698829, 91762819, 111397658, 183525638, 222795316, 367051276, 445590632, 734102552, 891181264, 1468205104, 12755031841, 25510063682, 51020127364, 102040254728, 204080509456]

約数ペア:

[(1, 204080509456), (2, 102040254728), (4, 51020127364), (8, 25510063682), (16, 12755031841), (139, 1468205104), (229, 891181264), (278, 734102552), (458, 445590632), (556, 367051276), (916, 222795316), (1112, 183525638), (1832, 111397658), (2224, 91762819), (3664, 55698829), (31831, 6411376), (63662, 3205688), (127324, 1602844), (254648, 801422), (400711, 509296)]