71861965

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 101493504

約数和(自身を除く): 29631539

約数列:

[1, 5, 7, 35, 61, 97, 305, 347, 427, 485, 679, 1735, 2135, 2429, 3395, 5917, 12145, 21167, 29585, 33659, 41419, 105835, 148169, 168295, 207095, 235613, 740845, 1178065, 2053199, 10265995, 14372393, 71861965]

約数ペア:

[(1, 71861965), (5, 14372393), (7, 10265995), (35, 2053199), (61, 1178065), (97, 740845), (305, 235613), (347, 207095), (427, 168295), (485, 148169), (679, 105835), (1735, 41419), (2135, 33659), (2429, 29585), (3395, 21167), (5917, 12145)]