320422895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 424678464

約数和(自身を除く): 104255569

約数列:

[1, 5, 13, 53, 65, 265, 281, 331, 689, 1405, 1655, 3445, 3653, 4303, 14893, 17543, 18265, 21515, 74465, 87715, 93011, 193609, 228059, 465055, 968045, 1140295, 1209143, 4929583, 6045715, 24647915, 64084579, 320422895]

約数ペア:

[(1, 320422895), (5, 64084579), (13, 24647915), (53, 6045715), (65, 4929583), (265, 1209143), (281, 1140295), (331, 968045), (689, 465055), (1405, 228059), (1655, 193609), (3445, 93011), (3653, 87715), (4303, 74465), (14893, 21515), (17543, 18265)]