278345135

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 352423872

約数和(自身を除く): 74078737

約数列:

[1, 5, 53, 61, 67, 257, 265, 305, 335, 1285, 3233, 3551, 4087, 13621, 15677, 16165, 17219, 17755, 20435, 68105, 78385, 86095, 216611, 830881, 912607, 1050359, 1083055, 4154405, 4563035, 5251795, 55669027, 278345135]

約数ペア:

[(1, 278345135), (5, 55669027), (53, 5251795), (61, 4563035), (67, 4154405), (257, 1083055), (265, 1050359), (305, 912607), (335, 830881), (1285, 216611), (3233, 86095), (3551, 78385), (4087, 68105), (13621, 20435), (15677, 17755), (16165, 17219)]