321779668

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1325

約数の個数: 72

約数和(自身を含む): 699814080

約数和(自身を除く): 378034412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 71, 76, 98, 133, 142, 196, 266, 284, 497, 532, 931, 994, 1217, 1349, 1862, 1988, 2434, 2698, 3479, 3724, 4868, 5396, 6958, 8519, 9443, 13916, 17038, 18886, 23123, 34076, 37772, 46246, 59633, 66101, 86407, 92492, 119266, 132202, 161861, 172814, 238532, 264404, 323722, 345628, 604849, 647444, 1133027, 1209698, 1641733, 2266054, 2419396, 3283466, 4233943, 4532108, 6566932, 8467886, 11492131, 16935772, 22984262, 45968524, 80444917, 160889834, 321779668]

約数ペア:

[(1, 321779668), (2, 160889834), (4, 80444917), (7, 45968524), (14, 22984262), (19, 16935772), (28, 11492131), (38, 8467886), (49, 6566932), (71, 4532108), (76, 4233943), (98, 3283466), (133, 2419396), (142, 2266054), (196, 1641733), (266, 1209698), (284, 1133027), (497, 647444), (532, 604849), (931, 345628), (994, 323722), (1217, 264404), (1349, 238532), (1862, 172814), (1988, 161861), (2434, 132202), (2698, 119266), (3479, 92492), (3724, 86407), (4868, 66101), (5396, 59633), (6958, 46246), (8519, 37772), (9443, 34076), (13916, 23123), (17038, 18886)]