91455455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 53696545

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 133, 149, 247, 355, 455, 497, 665, 745, 923, 1043, 1235, 1349, 1729, 1937, 2485, 2831, 4615, 5215, 6461, 6745, 8645, 9443, 9685, 10579, 13559, 14155, 17537, 19817, 32305, 36803, 47215, 52895, 67795, 74053, 87685, 99085, 122759, 137527, 184015, 201001, 257621, 370265, 613795, 687635, 962689, 1005005, 1288105, 1407007, 2613013, 4813445, 7035035, 13065065, 18291091, 91455455]

約数ペア:

[(1, 91455455), (5, 18291091), (7, 13065065), (13, 7035035), (19, 4813445), (35, 2613013), (65, 1407007), (71, 1288105), (91, 1005005), (95, 962689), (133, 687635), (149, 613795), (247, 370265), (355, 257621), (455, 201001), (497, 184015), (665, 137527), (745, 122759), (923, 99085), (1043, 87685), (1235, 74053), (1349, 67795), (1729, 52895), (1937, 47215), (2485, 36803), (2831, 32305), (4615, 19817), (5215, 17537), (6461, 14155), (6745, 13559), (8645, 10579), (9443, 9685)]