78164905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4643}}^1$

素因数の和:4705

約数の個数: 32

約数和(自身を含む): 118589184

約数和(自身を除く): 40424279

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 4643, 16835, 23215, 32501, 60359, 162505, 171791, 301795, 422513, 858955, 1202537, 2112565, 2233283, 6012685, 11166415, 15632981, 78164905]

約数ペア:

[(1, 78164905), (5, 15632981), (7, 11166415), (13, 6012685), (35, 2233283), (37, 2112565), (65, 1202537), (91, 858955), (185, 422513), (259, 301795), (455, 171791), (481, 162505), (1295, 60359), (2405, 32501), (3367, 23215), (4643, 16835)]