286810485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 240091275

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 241, 255, 359, 663, 723, 1077, 1105, 1205, 1795, 3133, 3315, 3615, 4097, 4667, 5385, 6103, 9399, 12291, 14001, 15665, 18309, 20485, 23335, 30515, 46995, 53261, 61455, 70005, 79339, 86519, 91545, 159783, 238017, 259557, 266305, 396695, 432595, 798915, 1124747, 1190085, 1297785, 1470823, 3374241, 4412469, 5623735, 7354115, 16871205, 19120699, 22062345, 57362097, 95603495, 286810485]

約数ペア:

[(1, 286810485), (3, 95603495), (5, 57362097), (13, 22062345), (15, 19120699), (17, 16871205), (39, 7354115), (51, 5623735), (65, 4412469), (85, 3374241), (195, 1470823), (221, 1297785), (241, 1190085), (255, 1124747), (359, 798915), (663, 432595), (723, 396695), (1077, 266305), (1105, 259557), (1205, 238017), (1795, 159783), (3133, 91545), (3315, 86519), (3615, 79339), (4097, 70005), (4667, 61455), (5385, 53261), (6103, 46995), (9399, 30515), (12291, 23335), (14001, 20485), (15665, 18309)]