25215565551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{12763}}^1$

素因数の和:12956

約数の個数: 64

約数和(自身を含む): 40583393280

約数和(自身を除く): 15367827729

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 137, 209, 253, 411, 437, 627, 759, 1311, 1507, 2603, 3151, 4521, 4807, 7809, 9453, 12763, 14421, 28633, 34661, 38289, 59869, 85899, 103983, 140393, 179607, 242497, 293549, 421179, 658559, 727491, 880647, 1748531, 1975677, 2667467, 3229039, 5245593, 5577431, 8002401, 9687117, 16732293, 19233841, 33222089, 40216213, 57701523, 61351741, 99666267, 120648639, 184055223, 365442979, 442378343, 764108047, 1096328937, 1327135029, 2292324141, 8405188517, 25215565551]

約数ペア:

[(1, 25215565551), (3, 8405188517), (11, 2292324141), (19, 1327135029), (23, 1096328937), (33, 764108047), (57, 442378343), (69, 365442979), (137, 184055223), (209, 120648639), (253, 99666267), (411, 61351741), (437, 57701523), (627, 40216213), (759, 33222089), (1311, 19233841), (1507, 16732293), (2603, 9687117), (3151, 8002401), (4521, 5577431), (4807, 5245593), (7809, 3229039), (9453, 2667467), (12763, 1975677), (14421, 1748531), (28633, 880647), (34661, 727491), (38289, 658559), (59869, 421179), (85899, 293549), (103983, 242497), (140393, 179607)]