3945968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 8395296

約数和(自身を除く): 4449328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 311, 488, 622, 793, 976, 1244, 1586, 2488, 3172, 4043, 4976, 6344, 8086, 12688, 16172, 18971, 32344, 37942, 64688, 75884, 151768, 246623, 303536, 493246, 986492, 1972984, 3945968]

約数ペア:

[(1, 3945968), (2, 1972984), (4, 986492), (8, 493246), (13, 303536), (16, 246623), (26, 151768), (52, 75884), (61, 64688), (104, 37942), (122, 32344), (208, 18971), (244, 16172), (311, 12688), (488, 8086), (622, 6344), (793, 4976), (976, 4043), (1244, 3172), (1586, 2488)]