77819408

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 155543616

約数和(自身を除く): 77724208

約数列:

[1, 2, 4, 8, 16, 61, 71, 122, 142, 244, 284, 488, 568, 976, 1123, 1136, 2246, 4331, 4492, 8662, 8984, 17324, 17968, 34648, 68503, 69296, 79733, 137006, 159466, 274012, 318932, 548024, 637864, 1096048, 1275728, 4863713, 9727426, 19454852, 38909704, 77819408]

約数ペア:

[(1, 77819408), (2, 38909704), (4, 19454852), (8, 9727426), (16, 4863713), (61, 1275728), (71, 1096048), (122, 637864), (142, 548024), (244, 318932), (284, 274012), (488, 159466), (568, 137006), (976, 79733), (1123, 69296), (1136, 68503), (2246, 34648), (4331, 17968), (4492, 17324), (8662, 8984)]