1656925816

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 3919104000

約数和(自身を除く): 2262178184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 89, 91, 104, 107, 178, 182, 214, 239, 356, 364, 428, 478, 623, 712, 728, 749, 856, 956, 1157, 1246, 1391, 1498, 1673, 1912, 2314, 2492, 2782, 2996, 3107, 3346, 4628, 4984, 5564, 5992, 6214, 6692, 8099, 9256, 9523, 9737, 11128, 12428, 13384, 16198, 19046, 19474, 21271, 21749, 24856, 25573, 32396, 38092, 38948, 42542, 43498, 51146, 64792, 66661, 76184, 77896, 85084, 86996, 102292, 123799, 133322, 148897, 170168, 173992, 179011, 204584, 247598, 266644, 276523, 297794, 332449, 358022, 495196, 533288, 553046, 595588, 664898, 716044, 866593, 990392, 1106092, 1191176, 1329796, 1432088, 1733186, 1935661, 2212184, 2275997, 2327143, 2659592, 3466372, 3871322, 4551994, 4654286, 6932744, 7742644, 9103988, 9308572, 15485288, 15931979, 18207976, 18617144, 29587961, 31863958, 59175922, 63727916, 118351844, 127455832, 207115727, 236703688, 414231454, 828462908, 1656925816]

約数ペア:

[(1, 1656925816), (2, 828462908), (4, 414231454), (7, 236703688), (8, 207115727), (13, 127455832), (14, 118351844), (26, 63727916), (28, 59175922), (52, 31863958), (56, 29587961), (89, 18617144), (91, 18207976), (104, 15931979), (107, 15485288), (178, 9308572), (182, 9103988), (214, 7742644), (239, 6932744), (356, 4654286), (364, 4551994), (428, 3871322), (478, 3466372), (623, 2659592), (712, 2327143), (728, 2275997), (749, 2212184), (856, 1935661), (956, 1733186), (1157, 1432088), (1246, 1329796), (1391, 1191176), (1498, 1106092), (1673, 990392), (1912, 866593), (2314, 716044), (2492, 664898), (2782, 595588), (2996, 553046), (3107, 533288), (3346, 495196), (4628, 358022), (4984, 332449), (5564, 297794), (5992, 276523), (6214, 266644), (6692, 247598), (8099, 204584), (9256, 179011), (9523, 173992), (9737, 170168), (11128, 148897), (12428, 133322), (13384, 123799), (16198, 102292), (19046, 86996), (19474, 85084), (21271, 77896), (21749, 76184), (24856, 66661), (25573, 64792), (32396, 51146), (38092, 43498), (38948, 42542)]