78264998

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2852

約数の個数: 32

約数和(自身を含む): 141626880

約数和(自身を除く): 63361882

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 1246, 2047, 2731, 4094, 5462, 14329, 19117, 28658, 38234, 62813, 125626, 243059, 439691, 486118, 879382, 1701413, 3402826, 5590357, 11180714, 39132499, 78264998]

約数ペア:

[(1, 78264998), (2, 39132499), (7, 11180714), (14, 5590357), (23, 3402826), (46, 1701413), (89, 879382), (161, 486118), (178, 439691), (322, 243059), (623, 125626), (1246, 62813), (2047, 38234), (2731, 28658), (4094, 19117), (5462, 14329)]