621216256

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:453

約数の個数: 80

約数和(自身を含む): 1288464408

約数和(自身を除く): 667248152

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 101, 128, 164, 202, 256, 293, 328, 404, 512, 586, 656, 808, 1172, 1312, 1616, 2344, 2624, 3232, 4141, 4688, 5248, 6464, 8282, 9376, 10496, 12013, 12928, 16564, 18752, 20992, 24026, 25856, 29593, 33128, 37504, 48052, 51712, 59186, 66256, 75008, 96104, 118372, 132512, 150016, 192208, 236744, 265024, 384416, 473488, 530048, 768832, 946976, 1060096, 1213313, 1537664, 1893952, 2120192, 2426626, 3075328, 3787904, 4853252, 6150656, 7575808, 9706504, 15151616, 19413008, 38826016, 77652032, 155304064, 310608128, 621216256]

約数ペア:

[(1, 621216256), (2, 310608128), (4, 155304064), (8, 77652032), (16, 38826016), (32, 19413008), (41, 15151616), (64, 9706504), (82, 7575808), (101, 6150656), (128, 4853252), (164, 3787904), (202, 3075328), (256, 2426626), (293, 2120192), (328, 1893952), (404, 1537664), (512, 1213313), (586, 1060096), (656, 946976), (808, 768832), (1172, 530048), (1312, 473488), (1616, 384416), (2344, 265024), (2624, 236744), (3232, 192208), (4141, 150016), (4688, 132512), (5248, 118372), (6464, 96104), (8282, 75008), (9376, 66256), (10496, 59186), (12013, 51712), (12928, 48052), (16564, 37504), (18752, 33128), (20992, 29593), (24026, 25856)]