487997615

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 726681600

約数和(自身を除く): 238683985

約数列:

[1, 5, 7, 19, 35, 49, 79, 95, 133, 245, 395, 553, 665, 931, 1327, 1501, 2765, 3871, 4655, 6635, 7505, 9289, 10507, 19355, 25213, 46445, 52535, 65023, 73549, 104833, 126065, 176491, 325115, 367745, 524165, 733831, 882455, 1235437, 1991827, 3669155, 5136817, 6177185, 9959135, 13942789, 25684085, 69713945, 97599523, 487997615]

約数ペア:

[(1, 487997615), (5, 97599523), (7, 69713945), (19, 25684085), (35, 13942789), (49, 9959135), (79, 6177185), (95, 5136817), (133, 3669155), (245, 1991827), (395, 1235437), (553, 882455), (665, 733831), (931, 524165), (1327, 367745), (1501, 325115), (2765, 176491), (3871, 126065), (4655, 104833), (6635, 73549), (7505, 65023), (9289, 52535), (10507, 46445), (19355, 25213)]