213432835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{14983}}^1$

素因数の和:15043

約数の個数: 32

約数和(自身を含む): 327969792

約数和(自身を除く): 114536957

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 14245, 14983, 74915, 104881, 164813, 524405, 554371, 824065, 1153691, 2771855, 3880597, 5768455, 6098081, 19402985, 30490405, 42686567, 213432835]

約数ペア:

[(1, 213432835), (5, 42686567), (7, 30490405), (11, 19402985), (35, 6098081), (37, 5768455), (55, 3880597), (77, 2771855), (185, 1153691), (259, 824065), (385, 554371), (407, 524405), (1295, 164813), (2035, 104881), (2849, 74915), (14245, 14983)]