217409185

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1441

約数の個数: 32

約数和(自身を含む): 307123200

約数和(自身を除く): 89714015

約数列:

[1, 5, 7, 35, 61, 79, 305, 395, 427, 553, 1289, 2135, 2765, 4819, 6445, 9023, 24095, 33733, 45115, 78629, 101831, 168665, 393145, 509155, 550403, 712817, 2752015, 3564085, 6211691, 31058455, 43481837, 217409185]

約数ペア:

[(1, 217409185), (5, 43481837), (7, 31058455), (35, 6211691), (61, 3564085), (79, 2752015), (305, 712817), (395, 550403), (427, 509155), (553, 393145), (1289, 168665), (2135, 101831), (2765, 78629), (4819, 45115), (6445, 33733), (9023, 24095)]