2178613645

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 2917166400

約数和(自身を除く): 738552755

約数列:

[1, 5, 13, 59, 65, 89, 169, 295, 445, 491, 767, 845, 1157, 2455, 3835, 5251, 5785, 6383, 9971, 15041, 26255, 28969, 31915, 43699, 49855, 68263, 75205, 82979, 144845, 218495, 341315, 376597, 414895, 568087, 887419, 1882985, 2578241, 2840435, 4437095, 4895761, 7385131, 12891205, 24478805, 33517133, 36925655, 167585665, 435722729, 2178613645]

約数ペア:

[(1, 2178613645), (5, 435722729), (13, 167585665), (59, 36925655), (65, 33517133), (89, 24478805), (169, 12891205), (295, 7385131), (445, 4895761), (491, 4437095), (767, 2840435), (845, 2578241), (1157, 1882985), (2455, 887419), (3835, 568087), (5251, 414895), (5785, 376597), (6383, 341315), (9971, 218495), (15041, 144845), (26255, 82979), (28969, 75205), (31915, 68263), (43699, 49855)]