72021215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 104509440

約数和(自身を除く): 32488225

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 1619, 6355, 8095, 8897, 11333, 44485, 50189, 56665, 66379, 250945, 331895, 351323, 464653, 1756615, 2057749, 2323265, 10288745, 14404243, 72021215]

約数ペア:

[(1, 72021215), (5, 14404243), (7, 10288745), (31, 2323265), (35, 2057749), (41, 1756615), (155, 464653), (205, 351323), (217, 331895), (287, 250945), (1085, 66379), (1271, 56665), (1435, 50189), (1619, 44485), (6355, 11333), (8095, 8897)]