89861405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 119854080

約数和(自身を除く): 29992675

約数列:

[1, 5, 17, 31, 67, 85, 155, 335, 509, 527, 1139, 2077, 2545, 2635, 5695, 8653, 10385, 15779, 34103, 35309, 43265, 78895, 170515, 176545, 268243, 579751, 1057193, 1341215, 2898755, 5285965, 17972281, 89861405]

約数ペア:

[(1, 89861405), (5, 17972281), (17, 5285965), (31, 2898755), (67, 1341215), (85, 1057193), (155, 579751), (335, 268243), (509, 176545), (527, 170515), (1139, 78895), (2077, 43265), (2545, 35309), (2635, 34103), (5695, 15779), (8653, 10385)]