212536465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 282562560

約数和(自身を除く): 70026095

約数列:

[1, 5, 17, 31, 79, 85, 155, 395, 527, 1021, 1343, 2449, 2635, 5105, 6715, 12245, 17357, 31651, 41633, 80659, 86785, 158255, 208165, 403295, 538067, 1371203, 2500429, 2690335, 6856015, 12502145, 42507293, 212536465]

約数ペア:

[(1, 212536465), (5, 42507293), (17, 12502145), (31, 6856015), (79, 2690335), (85, 2500429), (155, 1371203), (395, 538067), (527, 403295), (1021, 208165), (1343, 158255), (2449, 86785), (2635, 80659), (5105, 41633), (6715, 31651), (12245, 17357)]