67686905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 96259968

約数和(自身を除く): 28573063

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 685, 691, 715, 1507, 1781, 3455, 7535, 7601, 8905, 8983, 19591, 38005, 44915, 94667, 97955, 98813, 473335, 494065, 1041337, 1230671, 5206685, 6153355, 13537381, 67686905]

約数ペア:

[(1, 67686905), (5, 13537381), (11, 6153355), (13, 5206685), (55, 1230671), (65, 1041337), (137, 494065), (143, 473335), (685, 98813), (691, 97955), (715, 94667), (1507, 44915), (1781, 38005), (3455, 19591), (7535, 8983), (7601, 8905)]